US Bridges

Poor-condition bridges in Montana

388 of Montana's 5,235 bridges (7.4%) are rated poor.The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.Nationally, 6.7% of bridges carry this rating.

Poor bridges
388
7.4% of state total
Average age
69.7 yrs
Posted with load limits
110
Closed
20

Busiest poor-condition bridges

Top 300 by daily traffic · 286,867 total daily crossings
BridgeCountyLocationBuiltTypeLengthDaily trafficCondition
I 90 over Int Reserve Street
No. I00090101+07082
Missoula CountyMissoula1966Stringer/Multi-beam or Girder195 ft13,664Poor
I 90 over Clark Fork River
No. I00090148+04361
Granite County5M W Drummond1970Stringer/Multi-beam or Girder255 ft13,081Poor
I 90 over Clark Fork River
No. I00090081+08401
Missoula County6.2M E Alberton1964Girder and Floorbeam System982 ft9,168Poor
Montana Ave over U1025-RR
No. U01020001+08851
Yellowstone CountyBillings-Montana Ave1960Stringer/Multi-beam or Girder1,711 ft8,576Poor
Montana Ave over U1024-25-RR
No. U01020001+08852
Yellowstone CountyBillings-Montana Ave1960Stringer/Multi-beam or Girder1,713 ft8,576Poor
I 90 over Abandoned RR
No. I00090277+09262
Gallatin CountyThree Forks1969Stringer/Multi-beam or Girder203 ft8,575Poor
S 82 over Flathead River
No. P00082005+05831
Flathead County3M NW Big Fork1955Girder and Floorbeam System686 ft8,310Poor
IRR - US 93 over Nine Pipe Reservoir
No. P00005040+09851
Lake County5M S Ronan1933Stringer/Multi-beam or Girder77 ft8,158Poor
Lincoln RD over Int Lincoln-I 15
No. S00279000+00001
Lewis and Clark County10M N Helena1962Stringer/Multi-beam or Girder206 ft7,492Poor
I 90 EB over RR
No. I00090170+00051
Powell County4.3M W Garrison1973Stringer/Multi-beam or Girder250 ft5,992Poor
I 90 over RR
No. I00090170+00052
Powell County4.3M W Garrison1973Stringer/Multi-beam or Girder265 ft5,992Poor
US 2 over Big Cherry Creek
No. P00001035+02771
Lincoln County3M SW Libby1976Stringer/Multi-beam or Girder151 ft5,295Poor
I 90 over Int W Garrison-Rr
No. I00090174+03631
Powell CountyGarrison1979Stringer/Multi-beam or Girder710 ft5,232Poor
S 78 over Yellowstone River
No. P00078046+01371
Stillwater CountyColumbus1957Girder and Floorbeam System576 ft5,017Poor
I 94 over Clear Creek
No. I00094201+09101
Dawson County10M SW Glendive1973Culvert52 ft4,317Poor
US 287 over South Willow Creek
No. P00013075+01321
Madison CountyHarrison1934Stringer/Multi-beam or Girder39 ft4,102Poor
I 90 over Sep Elizabeth LN
No. I00090065+04972
Mineral County9.9M W Alberton1965Stringer/Multi-beam or Girder446 ft4,088Poor
I 90 over Clark Fork River
No. I00090066+02792
Mineral County9.3M W Alberton1965Girder and Floorbeam System807 ft4,088Poor
Old HWY 312 over Yellowstone River 170
No. L56788012+07001
Yellowstone CountyHuntley1949Girder and Floorbeam System1,022 ft4,005Poor
I 90 over Clark Fork River
No. I00090042+09192
Mineral County3.7M W Superior1984Stringer/Multi-beam or Girder1,092 ft3,719Poor
IRR - US 2 over Milk River
No. P00001427+09391
Blaine CountyFort Belknap Agency1964Stringer/Multi-beam or Girder214 ft3,311Poor
S Shiloh RD over Sep I 90
No. S00429002+02661
Yellowstone County2M SW Billings1959Stringer/Multi-beam or Girder457 ft3,188Poor
US 89 over Int East Livingston I 90
No. P00011057+09501
Park County2M NE Livngston1962Stringer/Multi-beam or Girder279 ft2,910Poor
S 16 over Crane Creek
No. P00020041+03501
Richland CountyCrane1957Culvert37 ft2,821Poor
HWY 91 N over Beaverhead River 033
No. L01311000+06001
Beaverhead County1M N Dillon1946Stringer/Multi-beam or Girder150 ft2,676Poor
US 191 FH 42 over Teepee Creek
No. P00050011+01001
Gallatin County11M N West Yellowstone1962Culvert29 ft2,605Poor
US 191 over Grayling Creek
No. P00050015+01001
Gallatin County15M N West Yellowstone1962Culvert47 ft2,605Poor
Old US 10 over Big Ditch 051
No. L56787001+02001
Yellowstone County4M W Laurel1932Tee Beam65 ft2,489Poor
S 200 over Clark Fork River
No. P00006049+03411
Sanders County1M W Thompson Falls1960Girder and Floorbeam System952 ft2,482Poor
S 23 over Yellowstone River
No. P00026001+02341
Richland County2M S Sidney1994Stringer/Multi-beam or Girder1,102 ft2,438Poor
Lolo ST over Rattlesnake Creek 009
No. M32081000+00601
Missoula CountyMissoula-Lolo Street1966Tee Beam94 ft2,363Poor
US 2 over Lodge Creek
No. P00001404+05791
Blaine CountyChinook1942Tee Beam94 ft2,335Poor
US 2 over Irrigation-Stockpass
No. P00001405+06071
Blaine County1M E Chinook1940Stringer/Multi-beam or Girder153 ft2,335Poor
Main ST over Clark Fork River
No. S00275002+04801
Powell CountyS Deer Lodge1949Stringer/Multi-beam or Girder135 ft2,330Poor
US 87 over Otter Creek
No. P00057001+05031
Cascade County4M SE Belt1959Stringer/Multi-beam or Girder102 ft2,314Poor
US 87 over Otter Creek
No. P00057003+00971
Cascade County6M SE Belt1959Stringer/Multi-beam or Girder103 ft2,314Poor
US 87 over Otter Creek
No. P00057003+06121
Cascade County7M SE Belt1959Stringer/Multi-beam or Girder103 ft2,314Poor
S 287 over Weber Irrigation Canal
No. P00029002+01331
Madison County2M SW Ennis1950Stringer/Multi-beam or Girder27 ft2,300Poor
S Main Ave over Mission Creek 052
No. M24100000+00101
Lake CountyST Ignatius-S Main ST1929Tee Beam33 ft2,233Poor
IRR - US 2 over RR
No. P00001164+07141
Flathead County10M SE West Glacier1956Stringer/Multi-beam or Girder362 ft2,225Poor
S 7-MAIN ST N over Sandstone Creek
No. P00027035+08231
Fallon CountyNorth Edge Baker1941Stringer/Multi-beam or Girder65 ft2,209Poor
US 2 over Drainage
No. P00001407+09131
Blaine County4M E Chinook1940Stringer/Multi-beam or Girder39 ft2,141Poor
US 2 over Drainage
No. P00001412+08931
Blaine CountyZurich1940Stringer/Multi-beam or Girder58 ft2,141Poor
S 91 over Boulder River Overflow
No. P00091002+06681
Sweet Grass CountyBig Timber1937Stringer/Multi-beam or Girder26 ft2,133Poor
US 2 over Kootenai River-Rr
No. P00001011+05871
Lincoln County2M NW Troy1942Truss - Deck942 ft2,104Poor
Third ST NE over Abandoned Rr-Antelope CR
No. P00014100+04531
Wheatland CountyHarlowton-Third ST NE1939Stringer/Multi-beam or Girder204 ft2,063Poor
IRR - US 2 over Chelsea Creek
No. P00001603+00001
Roosevelt County12M E Wolf Point1960Culvert37 ft2,054Poor
Frontage Road 295 over Ten Mile Creek 071
No. L25295002+04001
Lewis and Clark County2M N Helena1962Stringer/Multi-beam or Girder51 ft1,929Poor
I 15 over Int Lima-Bailey ST
No. I00015015+01701
Beaverhead CountyLima1959Stringer/Multi-beam or Girder119 ft1,863Poor
Mt 55 over Fish Creek
No. P00055003+06271
Jefferson County9M SW Whitehall1953Stringer/Multi-beam or Girder38 ft1,858Poor
I 15 over Int Monida S 509
No. I00015000+05201
Beaverhead CountyMonida1959Stringer/Multi-beam or Girder118 ft1,771Poor
Skalkaho HWY over Skalkaho Creek 053
No. L41300003+00001
Ravalli County1M E Grantsdale1941Stringer/Multi-beam or Girder78 ft1,713Poor
S 37 FH 57 over Tobacco River
No. P00033063+09451
Lincoln County2M E Rexford1971Stringer/Multi-beam or Girder306 ft1,699Poor
Mullan RD over Irrigation Canal
No. S00263008+00001
Missoula County6M SE Frenchtown1970Stringer/Multi-beam or Girder23 ft1,635Poor
S 141 over Nevada Creek
No. P00041013+01391
Powell County13M NW Avon1936Stringer/Multi-beam or Girder58 ft1,594Poor
S Cruse Ave over Pedestrian Underpass
No. U05815000+05001
Lewis and Clark CountyHelena-S Cruse Ave1972Channel Beam46 ft1,548Poor
S 200 over RR
No. P00006017+00341
Sanders County2M SE Noxon1957Stringer/Multi-beam or Girder315 ft1,537Poor
Bridge ST over Swan River 110
No. L15672000+02001
Flathead CountyS End Big Fork1911Truss - Thru120 ft1,503Poor
IRR - US 2 over Drainage
No. P00001615+02681
Roosevelt County3M E Poplar1970Culvert21 ft1,452Poor
S 200 over Stockpass
No. P00024104+02001
Lewis and Clark County23M SW Simms1949Stringer/Multi-beam or Girder21 ft1,432Poor
S 474 over RR
No. S00474000+06321
Missoula County4M SE Frenchtown1959Stringer/Multi-beam or Girder184 ft1,397Poor
Sun River RD over Sep West Hill-I 15 127
No. L07852000+01001
Cascade CountyGreat Falls1967Stringer/Multi-beam or Girder320 ft1,364Poor
S 1 over Clark Fork
No. P00019063+02511
Granite CountyDrummond1966Stringer/Multi-beam or Girder301 ft1,354Poor
IRR - US 2 over Drainage
No. P00001453+03801
Phillips County1M W Dodson1973Culvert44 ft1,351Poor
W Dry Creek RD over Baker Creek
No. S00346002+03611
Gallatin County1M E Manhattan1967Stringer/Multi-beam or Girder101 ft1,287Poor
S 83 FH 15 over Lost Creek
No. P00083067+02881
Lake County3M S Swan Lake1953Stringer/Multi-beam or Girder58 ft1,246Poor
US 87 over Drainage
No. P00057110+05841
Fergus County3M NW Grass Range1939Stringer/Multi-beam or Girder58 ft1,067Poor
Irr-Us 2 over Unstable Slope
No. 000000000007056
Flathead County1.9M SE Essex1981Other260 ft1,013Poor
IRR - US 89 over Blacktail Creek
No. P00003087+03951
Pondera County16M NW Valier1965Stringer/Multi-beam or Girder145 ft1,012Poor
Mt HWY 2 over RR 061
No. L22250003+07001
Jefferson County4M W Whitehall1932Tee Beam113 ft1,001Poor
S 80-13th ST over Missouri River
No. P00080002+04331
Chouteau CountyFort BENTON-13th ST1962Girder and Floorbeam System708 ft930Poor
S Frontage RD 011 over Dempsey Creek 059
No. L39242004+03001
Powell County5M S Deer Lodge1930Slab64 ft916Poor
US 89 FH 32 over Belt Creek
No. P00060064+11011
Cascade County9M S Belt1968Stringer/Multi-beam or Girder166 ft833Poor
SR 117 over Missouri River Overflow
No. P00017003+01001
Valley County1M N Fort Peck1950Stringer/Multi-beam or Girder280 ft818Poor
US 12 FH 11 over Lolo Creek
No. P00093007+07831
Missoula CountyLolo Hot Springs1957Stringer/Multi-beam or Girder89 ft799Poor
Victor Crossing W over Bitterroot River 020
No. L41404000+09001
Ravalli County1M E Victor1984Channel Beam90 ft746Poor
Victor Crossing E over Bitterroot River 017
No. L41404002+00001
Ravalli County2M E Victor1984Channel Beam60 ft746Poor
US 191 over S Fork American Fork
No. P00045032+08301
Wheatland County11M S Harlowton1941Stringer/Multi-beam or Girder29 ft706Poor
Kootenai River RD over Pipe Creek
No. S00260003+05351
Lincoln County4M N Libby1987Tee Beam72 ft702Poor
S 56 FH 5 over Bull River
No. P00056012+03771
Sanders County17M NW Noxon1960Slab77 ft692Poor
S 200 over Cemetery Coulee
No. P00057253+00151
McCone County14M W Brockway1939Stringer/Multi-beam or Girder58 ft680Poor
S 200 over Drainage
No. P00057253+03311
McCone County14M W Brockway1939Stringer/Multi-beam or Girder87 ft680Poor
S 200 over Drainage
No. P00057257+01501
McCone County10M W Brockway1939Stringer/Multi-beam or Girder76 ft680Poor
US 191 over Rye Creek
No. P00045018+01381
Sweet Grass County2M S Melville1947Stringer/Multi-beam or Girder58 ft661Poor
US 191 over Fish Creek
No. P00045029+01551
Wheatland County14M S Harlowton1942Stringer/Multi-beam or Girder114 ft661Poor
US 191 over Missouri River
No. P00061088+00671
Fergus County29M NE Roy1959Girder and Floorbeam System698 ft655Poor
Mt HWY 91 over RR
No. S00222002+08611
Beaverhead County3M SW Dillon1936Tee Beam143 ft612Poor
S 37 FH 57 over Cadette Creek
No. P00033054+05921
Lincoln County7M S Rexford1971Stringer/Multi-beam or Girder97 ft612Poor
S 37 FH 57 over Pinkham Creek
No. P00033054+08181
Lincoln County7M S Rexford1971Stringer/Multi-beam or Girder208 ft612Poor
Axtell Anceny RD over Gallatin River 084
No. L16494000+05001
Gallatin County2M N Gallatin Gateway1919Truss - Thru142 ft569Poor
Old HWY 87 over Two Leggins Canal 0
No. L02313021+06001
Big Horn County1M W Hardin1931Tee Beam33 ft564Poor
Poplar River RD over Poplar River 015
No. L43202021+06001
Roosevelt County22M N Poplar1985Slab105 ft563Poor
S 21 over Int Midway I 15
No. P00021000+00001
Pondera County3M SE Conrad1972Stringer/Multi-beam or Girder349 ft540Poor
Quast LN over Surprise Ditch 060
No. L41316000+06001
Ravalli County1M N Corvallis1918Tee Beam28 ft537Poor
Frntage Road 81020 over Cottonwood Creek 083
No. L09004003+01001
Custer County19M NE Miles City1928Stringer/Multi-beam or Girder173 ft507Poor
Frntage Road 81020 over Miles Creek 037
No. L09004004+06001
Custer County20M NE Miles City1929Stringer/Multi-beam or Girder58 ft507Poor
Frntage Road 81020 over Macks Creek 038
No. L09004006+07001
Custer County23M NE Miles City1929Stringer/Multi-beam or Girder39 ft507Poor
Old HWY 10 W over Williams Coulee 007
No. L40004000+01001
Prairie County13M SW Terry1930Stringer/Multi-beam or Girder77 ft507Poor
Craig Frontage RD over Missouri River 054
No. L25003011+00001
Lewis and Clark County2M NE Wolf Creek1933Truss - Thru507 ft484Poor
S 78 FH 83 over Red Lodge Creek
No. P00078012+08701
Carbon County7M SE Roscoe1953Stringer/Multi-beam or Girder27 ft481Poor
S 7 over Drainage
No. P00027001+02901
Carter County1M NE Ekalaka1940Stringer/Multi-beam or Girder39 ft473Poor
Glover RD over Pablo 3A Canal 037
No. L24064000+08001
Lake County4M S Polson1985Stringer/Multi-beam or Girder30 ft471Poor
S 37 FH 57 over Cripple Horse Creek
No. P00033023+03421
Lincoln County6M NE Libby Dam1974Stringer/Multi-beam or Girder140 ft458Poor
S 200 over Drainage
No. 000000202508090
Richland County2M NE Lambert1956Culvert34 ft446Poor
6th Ave S over Big Spring Creek 133
No. M14071000+00201
Fergus CountyLEWISTOWN-6th Ave S1962Slab51 ft437Poor
S 285 over Toston Canal
No. S00285002+09001
Broadwater County2M W Toston1948Stringer/Multi-beam or Girder30 ft422Poor
S 253 over Redwater River
No. S00253046+06031
McCone CountyNW Brockway1950Stringer/Multi-beam or Girder152 ft420Poor
S 253 over Cedar Creek
No. S00253009+08031
Prairie County9M NW Terry1935Stringer/Multi-beam or Girder133 ft404Poor
IRR - US 191 over Wild Horse Creek
No. P00061136+07611
Phillips County20M SW Malta1941Stringer/Multi-beam or Girder100 ft395Poor
IRR - US 191 over Wild Horse Creek
No. P00061137+00761
Phillips County20M SW Malta1940Stringer/Multi-beam or Girder101 ft395Poor
S 7 over Collins Creek
No. P00027006+04421
Carter County6M NE Ekalaka1940Stringer/Multi-beam or Girder58 ft392Poor
IRR - S 382 over RR
No. S00382000+00001
Sanders County1M E Perma1965Stringer/Multi-beam or Girder130 ft391Poor
US 191 over Box Elder Creek
No. P00043037+09021
Fergus County2M E Roy1942Stringer/Multi-beam or Girder58 ft382Poor
S Main Street over Clark Fork River 020
No. L20016000+05001
Granite CountyS Drummond1934Stringer/Multi-beam or Girder267 ft371Poor
S 253 over Drainage
No. S00253019+02031
Prairie County18M NW Terry1940Stringer/Multi-beam or Girder95 ft368Poor
Old HWY 10 W over Clark Fork 054
No. L31170000+02001
Mineral County3M W Alberton1932Truss - Deck518 ft356Poor
S 37 FH 57 over Rock Gut
No. P00033037+09261
Lincoln County22M N Libby Dam1974Stringer/Multi-beam or Girder269 ft346Poor
Skalkaho HWY over Canal 058
No. L41300004+07001
Ravalli County3M SE Grantsdale1941Stringer/Multi-beam or Girder50 ft331Poor
Old US 91 over Missouri River-Rr 069
No. L07604006+04001
Cascade County11M S Cascade1931Truss - Thru550 ft316Poor
S 5 over Dahl Creek
No. P00030011+03181
Sheridan County12M SW Westby1939Stringer/Multi-beam or Girder59 ft309Poor
S 5 over Main Creek
No. P00030014+03181
Sheridan County9M SW Westby1939Stringer/Multi-beam or Girder97 ft309Poor
S 200 over Drainage
No. P00051017+01831
Dawson County10M SW Richey1959Stringer/Multi-beam or Girder57 ft307Poor
Jack Creek RD over Jack Creek 028
No. L29122022+05001
Madison County8M E Ennis1952Stringer/Multi-beam or Girder27 ft301Poor
Light RD over Pablo 31A Canal 036
No. L24029001+08001
Lake County5M S Polson2009Stringer/Multi-beam or Girder80 ft292Poor
Frontage Road 018 over Irrigation Ditch 001
No. L52086000+05001
Treasure County1M E Hysham1933Stringer/Multi-beam or Girder26 ft281Poor
S 529-CLEAR CR RD over Milk River
No. S00529001+00001
Blaine County1M W Chinook1967Stringer/Multi-beam or Girder217 ft256Poor
IRR - S 358 over Two Medicine River
No. S00358016+08321
Pondera County12M S Cut Bank1968Stringer/Multi-beam or Girder318 ft243Poor
S 244 over Yellow Water Cr-Elk CR
No. S00244018+05001
Petroleum County5M S Winnett1948Stringer/Multi-beam or Girder77 ft233Poor
IRR - S 13 over Sprague Coulee
No. P00032027+06021
Roosevelt County23M S Scobey1931Stringer/Multi-beam or Girder77 ft229Poor
IRR - S 13 over W Fork Poplar R Ovrflow
No. P00032033+06651
Roosevelt County17M S Scobey1932Stringer/Multi-beam or Girder77 ft229Poor
US 12 over Drainage
No. P00014224+06031
Rosebud County4M E Sumatra1947Stringer/Multi-beam or Girder58 ft222Poor
US 12 over Drainage
No. P00014239+08151
Rosebud County31M NW Forsyth1941Stringer/Multi-beam or Girder57 ft222Poor
Frontage Road 018 over Drainage 009
No. L52086003+04001
Treasure County4M E Hysham1933Stringer/Multi-beam or Girder58 ft219Poor
US 12 over Drainage
No. P00014253+00221
Rosebud County18M NW Forsyth1938Stringer/Multi-beam or Girder39 ft214Poor
Redrock RD over Fort Belknap Canal 008
No. L03042002+03001
Blaine County3M NW Chinook1933Stringer/Multi-beam or Girder48 ft212Poor
IRR BIA Route 8 over Peoples Creek
No. 00000000000C506
Phillips County40 KM SE Ft. Belknap Agcy1976Stringer/Multi-beam or Girder171 ft200Poor
HWY 287 Bypass over Missouri River 019
No. L04415000+01001
Broadwater CountyToston1920Truss - Thru532 ft178Poor
S Frontage RD W over Clark Fork 053
No. L31089001+04001
Mineral County2M W Alberton1916Truss - Thru371 ft174Poor
Marshall Creek RD over Rock Creek
No. S00348014+02001
Granite County14M W Philipsburg1959Stringer/Multi-beam or Girder102 ft161Poor
HWY 91 N over Big Hole River 041
No. L01311022+02001
Beaverhead County22M N Dillon1940Truss - Thru240 ft158Poor
Main Boulder Road over Boulder River
No. 000000202208055
Park County38 M South of Springdale1950Stringer/Multi-beam or Girder30 ft157Poor
NF-6639 RD over Boulder River 041
No. L34210004+06001
Park County35M S Springdale1933Truss - Thru99 ft157Poor
Battlefield Road over Medicine Tail Coulee
No. 1380002P0000000
Big Horn CountyI-90 Exit 510 East on U1938Culvert46 ft150Poor
HWY 10 W over Ninemile Creek 035
No. L32166004+05001
Missoula County3M W Huson1924Tee Beam124 ft141Poor
HWY 10 W over Ninemile Slide 026
No. L32166005+02001
Missoula County3M W Huson1947Stringer/Multi-beam or Girder375 ft141Poor
Old HWY 10 E over ST Regis River 059
No. L31179013+02001
Mineral CountyST Regis1937Stringer/Multi-beam or Girder195 ft140Poor
No Data Entered over Rock CR
No. 010302000000039
Ravalli CountyNo Data Entered1970Stringer/Multi-beam or Girder46 ft136Poor
Silver Spring RD over Ruby River 023
No. L29172000+02001
Madison County3M S Sheridan1927Stringer/Multi-beam or Girder37 ft133Poor
Bear Gulch RD over Clark Fork River 002
No. L20009000+01001
Granite County1M NE Bearmouth1986Tee Beam170 ft130Poor
Rocky Butte RD over Crow Creek 070
No. L24370002+09001
Lake County2M SW Ronan1986Stringer/Multi-beam or Girder30 ft128Poor
Old HWY 10 over Sweeney Creek 064
No. L44303007+07001
Rosebud County7M E Rosebud1930Stringer/Multi-beam or Girder114 ft128Poor
Frontage Road 303 over Graveyard Creek 055
No. L44303014+09001
Rosebud County1M E Hathaway1928Stringer/Multi-beam or Girder41 ft128Poor
IRR - S 251 over Smoke Creek
No. S00251040+09001
Daniels County11M S Flaxville1954Stringer/Multi-beam or Girder26 ft101Poor
Corinne Trail over Horse Prairie Creek 043
No. 000000202202201
Beaverhead County3M E Grant2022Stringer/Multi-beam or Girder34 ft100Poor
Upper N Fork RD over N Fk Bighole River 064
No. L01004007+00001
Beaverhead County6M NW Wisdom1977Stringer/Multi-beam or Girder46 ft100Poor
Rock Creek RD over Big Lake Creek 081
No. L01015000+02001
Beaverhead County4M SW Wisdom1958Stringer/Multi-beam or Girder28 ft100Poor
Big Swamp CR RD / over Big Hole River 089
No. L01085000+03001
Beaverhead County5M NW Jackson1925Truss - Thru100 ft100Poor
Miner Lake RD over Governor Creek 092
No. L01095000+07001
Beaverhead County1M SW Jackson1951Stringer/Multi-beam or Girder42 ft100Poor
Stibal LN over Red Rock River 053
No. L01202052+06001
Beaverhead County9M NE Monida1975Stringer/Multi-beam or Girder77 ft100Poor
Brundage LN over Red Rock River 052
No. L01269004+08001
Beaverhead County25M NE Monida1920Truss - Thru98 ft100Poor
Browns Bridge RD over Big Hole River 123
No. L01320003+01001
Beaverhead County6.2M S Melrose1915Truss - Thru175 ft100Poor
Ekegren RD over Thirty Mile Creek 097
No. L03045005+01001
Blaine County3M E Harlem1938Stringer/Multi-beam or Girder65 ft100Poor
Middle RD over Battle Creek 056
No. L03085000+06001
Blaine County4M N Chinook1920Truss - Thru102 ft100Poor
Lodge Creek RD over Fort Belknap Canal
No. S00325000+05001
Blaine County1M NE Chinook1952Stringer/Multi-beam or Girder39 ft100Poor
Flynn LN over Broadwater Missouri 006
No. L04404003+04001
Broadwater County5M N Toston1976Channel Beam23 ft100Poor
Willow Creek RD over Willow Creek 061
No. L05010011+06001
Carbon County7M SW Roberts1942Stringer/Multi-beam or Girder32 ft100Poor
W Pryor RD over Elbow Creek 037
No. L05127000+07001
Carbon County3M W Edgar1964Stringer/Multi-beam or Girder32 ft100Poor
Old US HWY 91 over Little Muddy Creek 090
No. L07603008+01001
Cascade County6M N Cascade1923Stringer/Multi-beam or Girder77 ft100Poor
Upper Highwood CR over Highwood Creek 069
No. L08200006+01001
Chouteau County6M SE Highwood1969Stringer/Multi-beam or Girder30 ft100Poor
Kircher Creek RD over T and Y Canal 032
No. L09021000+08001
Custer County4M NE Miles City1938Stringer/Multi-beam or Girder29 ft100Poor
Frontage Road 205 over Cottonwood Creek 072
No. L09205002+07001
Custer County14M SW Miles City1929Stringer/Multi-beam or Girder154 ft100Poor
Frontage Road 205 over Snell Creek 073
No. L09205006+00001
Custer County17M SW Miles City1928Stringer/Multi-beam or Girder31 ft100Poor
County Road 224 over Coal Creek 010
No. L10223004+00001
Daniels County16M N Peerless1960Stringer/Multi-beam or Girder50 ft100Poor
Coal Creek RD over Coal Creek 027
No. L10224002+00001
Daniels County12M N Peerless1950Stringer/Multi-beam or Girder58 ft100Poor
County Road 226 over Coal Creek 038
No. L10226003+06001
Daniels County13M N Richland1971Stringer/Multi-beam or Girder24 ft100Poor
Road 229 over Bad Route Creek 035
No. L11006009+01001
Dawson County29M SW Glendive1975Stringer/Multi-beam or Girder58 ft100Poor
County Road 524 over N Fk Thirten Mile CR 091
No. L11410004+09001
Dawson County9M NE Bloomfield1983Stringer/Multi-beam or Girder38 ft100Poor
County Road 542 over Thirteen Mile CR 061
No. L11417003+03001
Dawson County5M NW Intake1964Girder and Floorbeam System60 ft100Poor
County Road 530 over S Fk Burns Creek 092
No. L11422001+05001
Dawson County12M NW Intake1975Stringer/Multi-beam or Girder60 ft100Poor
County Road 098 over Clark Fork River 020
No. L12098000+04001
Deer Lodge County2M N Warm Springs1920Truss - Thru45 ft100Poor
Mt Evans Way over Warm Springs Creek 016
No. L12163000+01001
Deer Lodge CountyWarm Springs1912Slab28 ft100Poor
Fairview RD over S Fork Mcdonald CR 123
No. L14219000+01001
Fergus County3M E Forestgrove1962Slab30 ft100Poor
N Dawes Street over Big Spring Creek 061
No. M14071000+00601
Fergus CountyLewistown-N Dawes ST1940Slab28 ft100Poor
W Broadway Street over Big Spring Creek 062
No. M14071000+00701
Fergus CountyLewistown-W Broadway ST1940Tee Beam32 ft100Poor
Third Avenue S over Little Casino Creek 138
No. M14071000+00801
Fergus CountyLEWISTOWN-3rd Ave S2006Stringer/Multi-beam or Girder28 ft100Poor
Holt Stage RD over Flathead Riv OVERFL0 014
No. L15091000+03001
Flathead County2M E Kalispell1992Stringer/Multi-beam or Girder97 ft100Poor
W Reserve DR over Whitefish River
No. S00548006+00001
Flathead County2M N Kalispell1983Stringer/Multi-beam or Girder133 ft100Poor
Old Town RD over Jefferson River 004
No. L04419003+05001
Gallatin County2M N Three Forks1897Truss - Thru193 ft100Poor
Kelly Canyon RD over Bridger Creek 047
No. L16009000+02001
Gallatin County6M NE Bozeman1983Stringer/Multi-beam or Girder32 ft100Poor
Maiden Rock RD over Bridger Creek 107
No. L16014000+01001
Gallatin County2M E Bozeman1922Stringer/Multi-beam or Girder24 ft100Poor
Maiden Rock RD over Bridger Creek 106
No. L16014000+05001
Gallatin County3M E Bozeman1940Stringer/Multi-beam or Girder33 ft100Poor
Old Town RD over Jefferson River 063
No. L16201000+07001
Gallatin County2M N Three Forks1894Truss - Thru156 ft100Poor
Stagecoach Trl RD over Baker Creek 082
No. L16447001+09001
Gallatin County2M NW Belgrade1959Stringer/Multi-beam or Girder35 ft100Poor
Steves Fork RD over Steves Fork Creek 003
No. L17008015+06001
Garfield County15M NW Jordan1980Tee Beam31 ft100Poor
IRR BIA RTE 2 over Dawson Creek
No. 00000000000C107
Glacier County2.4 KM SE of E.Glacier1932Stringer/Multi-beam or Girder32 ft100Poor
I 90 over Antelope Creek
No. I00090142+08784
Granite County11.2M W Drummond1971Stringer/Multi-beam or Girder43 ft100Poor
IRR Route 46 over Big Sandy Creek
No. 0000C59205B0922
Hill County11 KM Nnw of Box Elder1963Channel Beam25 ft100Poor
Road 290 N over Canadian Coulee 036
No. L21165004+07001
Hill County30M N Inverness1980Stringer/Multi-beam or Girder31 ft100Poor
48th ST W over Beaver Creek 046
No. L21442000+01001
Hill County2M SW Havre1966Stringer/Multi-beam or Girder106 ft100Poor
Sleepy Hollow LN over Prickly Pear Creek
No. 000000202308066
Jefferson County3 M S Montana City2010Culvert23 ft100Poor
I 15 Frontage RD over Cataract Creek 030
No. L22099008+00001
Jefferson County1M E Basin1933Tee Beam80 ft100Poor
I 15 Frontage RD over Basin Creek 041
No. L22099008+09001
Jefferson CountyBasin1985Stringer/Multi-beam or Girder63 ft100Poor
E Elk Park RD over Bison Creek 016
No. L22252001+00001
Jefferson County1M S Elk Park1927Stringer/Multi-beam or Girder32 ft100Poor
Red Barn RD over Little Bitterroot Rv 064
No. L24086000+02001
Lake County8M NE Hot Springs1960Stringer/Multi-beam or Girder24 ft100Poor
Seifert RD over Pablo a Canal 083
No. L24124005+05001
Lake County6M SW Polson1960Stringer/Multi-beam or Girder39 ft100Poor
Schaefer RD over Pablo Feeder Canal 086
No. L24127000+03001
Lake County4M SE Polson1985Culvert32 ft100Poor
Jocko Canyon RD over Jocko River 011
No. L24339000+06001
Lake County4M E Arlee1975Tee Beam44 ft100Poor
Eagle Pass Trail over Pablo Feeder Canal 104
No. L24357004+00001
Lake County9M NE ST Ignatius1977Stringer/Multi-beam or Girder31 ft100Poor
Allison RD over Pablo Feeder Canal 046
No. L24358003+02001
Lake County3M NE ST Ignatius1960Stringer/Multi-beam or Girder28 ft100Poor
Lovers Lane over Elk Creek 041
No. L25309000+05001
Lewis and Clark CountyS Augusta1914Truss - Thru92 ft100Poor
Birdtail RD over Flat Creek 036
No. L25320003+09001
Lewis and Clark County8M SE Bowmans1901Truss - Thru61 ft100Poor
Homestead DR over Pinkham Creek 140
No. L27067000+04001
Lincoln County9M SW Eureka1914Girder and Floorbeam System65 ft100Poor
W 2nd ST over Flower Creek 123
No. L27154000+07001
Lincoln CountyNW Edge Libby1969Channel Beam30 ft100Poor
Upper Ford RD over E Fork Yaak River 151
No. L27417004+03001
Lincoln County13M NE Yaak1953Stringer/Multi-beam or Girder36 ft100Poor
Seyler LN over Ruby River 019
No. L29144011+00001
Madison County7M NW Sheridan1976Tee Beam61 ft100Poor
Canyon RD over Smith River 002
No. L30105000+03001
Meagher County8M NW White Sulphur Spr1957Stringer/Multi-beam or Girder47 ft100Poor
1st Ave over Sixteenmile Creek 029
No. L30143000+01001
Meagher CountyRingling1976Stringer/Multi-beam or Girder41 ft100Poor
Ed Lavell LN over Sixteenmile Creek 039
No. L30151001+00001
Meagher County3M E Ringling1959Stringer/Multi-beam or Girder31 ft100Poor
County Road 128 over Musselshell River 022
No. L30171000+03001
Meagher County2M NE Martinsdale1986Stringer/Multi-beam or Girder51 ft100Poor
Mullan RD E over Nemote Creek 006
No. L31070013+01001
Mineral County2M NW Tarkio1931Stringer/Multi-beam or Girder75 ft100Poor
Sloway Frntge RD E over Abandoned RR 001
No. L31203001+03001
Mineral County5M E ST Regis1956Stringer/Multi-beam or Girder482 ft100Poor
Turah RD over Clark Fork 103
No. L32210001+00801
Missoula County4M SE Bonner1962Stringer/Multi-beam or Girder287 ft100Poor
Placid Lake RD over Owl Creek 077
No. L32400000+08001
Missoula County3M S Seeley Lake1970Stringer/Multi-beam or Girder37 ft100Poor
Sunset Hill RD over Blackfoot River 088
No. L32406002+06001
Missoula County3M S Clearwater JCT1907Truss - Thru216 ft100Poor
Boy Scout RD over Clearwater River 082
No. L32601002+04001
Missoula County2M NW Seeley Lake1938Stringer/Multi-beam or Girder400 ft100Poor
Harvey RD over Musselshell River 018
No. L33027001+02001
Musselshell County3M SW Melstone1916Truss - Thru143 ft100Poor
Elk Creek RD over Shields River 018
No. L34006000+07001
Park County3M NE Wilsall1960Stringer/Multi-beam or Girder63 ft100Poor
Shields River RD E over Shields River Overfl 022
No. L34007000+03001
Park County8M NE Livingston1938Stringer/Multi-beam or Girder23 ft100Poor
Shields River RD E over Shields River 023
No. L34007000+04001
Park County8M NE Livingston1923Truss - Thru93 ft100Poor
Hammond Creek RD over Rock Creek 025
No. L34017007+04001
Park County5M E Clyde Park1967Stringer/Multi-beam or Girder29 ft100Poor
Potter Creek RD over Potter Creek 005
No. L34049000+04001
Park County1M N Wilsall1915Truss - Thru76 ft100Poor
Swandal RD over Flathead Creek 073
No. L34072001+01001
Park County3M W Wilsall1970Stringer/Multi-beam or Girder23 ft100Poor
Hughes LN over Flatwillow Creek 016
No. L35015002+08001
Petroleum County16M S Winnett1950Stringer/Multi-beam or Girder40 ft100Poor
Old Cat Creek RD over Box Elder Creek 008
No. L35104004+03001
Petroleum County5M NE Winnett1930Truss - Thru78 ft100Poor
Youth Ranch RD over Whitewater Creek 110
No. L36023003+04001
Phillips County8M S Whitewater1977Stringer/Multi-beam or Girder90 ft100Poor
Content RD over Sage Creek Overflow 055
No. L36200040+00001
Phillips County39M SE Malta1983Stringer/Multi-beam or Girder28 ft100Poor
Stage RD over Wild Horse Creek 023
No. L36201015+09001
Phillips County17M S Dodson1925Stringer/Multi-beam or Girder56 ft100Poor
Stage RD over Spring Coulee 024
No. L36201018+06001
Phillips County20M S Dodson1965Stringer/Multi-beam or Girder30 ft100Poor
Stage RD over Big Warm Creek 027
No. L36201023+03001
Phillips County24M S Dodson2004Stringer/Multi-beam or Girder58 ft100Poor
Upper Harb RD over Drainage 057
No. L36205005+08001
Phillips County16M E Malta1950Stringer/Multi-beam or Girder38 ft100Poor
Hog Ranch RD over Big Warm Creek 026
No. L36208003+08001
Phillips County24M S Dodson1960Stringer/Multi-beam or Girder73 ft100Poor
Alkali RD over Alkali Creek 001
No. L36221004+01001
Phillips County7M SW Malta1920Truss - Thru76 ft100Poor
Lower Harb RD over Beaver Creek 092
No. L36225001+01001
Phillips County14M E Malta1968Stringer/Multi-beam or Girder114 ft100Poor
Regina RD over Telegraph Creek 040
No. L36229005+05001
Phillips County47M S Malta1940Stringer/Multi-beam or Girder37 ft100Poor
County RD 244 over Beaver Creek 132
No. L36244006+01001
Phillips County28M SE Malta1915Truss - Thru111 ft100Poor
S 5th Ave E over Dodson South Canal 131
No. L36275000+07001
Phillips CountySE Malta1986Stringer/Multi-beam or Girder38 ft100Poor
Meridian RD over Bear Creek 015
No. L41053005+07001
Ravalli County2M S Victor1936Mixed Types31 ft100Poor
Mid Burnt Fork RD over Bitterroot Canal 089
No. L41304004+00001
Ravalli County4M E Stevensville1984Channel Beam40 ft100Poor
County Road 001 over Hardscrabble Creek 041
No. L42001004+08001
Richland County35M NW Sidney1945Stringer/Multi-beam or Girder58 ft100Poor
County Road 105 over W Blacktail Creek 007
No. L44105006+02001
Rosebud County6M NE Ingomar1940Stringer/Multi-beam or Girder32 ft100Poor
Wendel Kincheloe R over Rattlesnake Creek 002
No. L44109007+09001
Rosebud County20M NW Sumatra1950Stringer/Multi-beam or Girder134 ft100Poor
Michel Creek RD over Camas Creek 002
No. L45210000+02001
Sanders County6M N Perma1978Girder and Floorbeam System38 ft100Poor
Lil Bitterroot RD over Little Bitterroot Rv 070
No. L45215006+06001
Sanders County8M E Hot Springs1978Channel Beam38 ft100Poor
Noxon Ave E over Cabinet Gorge Resv 047
No. L45260000+01001
Sanders CountyNoxon1922Truss - Thru600 ft100Poor
Empire Street over Drainage
No. 000000202408091
Silver Bow CountyButte1953Stringer/Multi-beam or Girder34 ft100Poor
German Gulch RD over Int Victor I 15 003
No. L47534000+00101
Silver Bow County2M SW Rocker1961Stringer/Multi-beam or Girder210 ft100Poor
Bointer RD over Sweet Grass Creek 044
No. L49051000+09001
Sweet Grass County9M SE Big Timber1970Stringer/Multi-beam or Girder48 ft100Poor
Upper Deer CR RD over Upper Deer Creek 028
No. L49109002+03001
Sweet Grass County6M SE Big Timber1975Stringer/Multi-beam or Girder44 ft100Poor
Mcleod Main ST over West Boulder River 025
No. L49143000+06001
Sweet Grass CountyMcleod1912Truss - Thru62 ft100Poor
3rd LN NW over Muddy Creek 018
No. L50015003+01001
Teton County10M NE Farmington1938Stringer/Multi-beam or Girder88 ft100Poor
8th LN NE over Greenfield So Canal 039
No. L50039005+08001
Teton County8M NE Fairfield1966Stringer/Multi-beam or Girder39 ft100Poor
6th LN NE over Drainage 129
No. L50081005+06001
Teton County13M SW Dutton1974Stringer/Multi-beam or Girder23 ft100Poor
Cache Creek RD over Little Snake Creek 048
No. L53032001+07001
Valley County26M N Hinsdale1965Stringer/Multi-beam or Girder26 ft100Poor
Fox Farm RD over Lindeke Coulee 007
No. L53283001+01001
Valley County8M E Glasgow1930Stringer/Multi-beam or Girder59 ft100Poor
Bengochea RD over E Fk Porcupine Creek 112
No. L53304004+08001
Valley County20M N Nashua1960Stringer/Multi-beam or Girder40 ft100Poor
Bentonite RD over Vandalia South Canal 089
No. L53513028+04001
Valley County4M W Glasgow1938Stringer/Multi-beam or Girder61 ft100Poor
Hentges RD over Little Porcupine CR 064
No. L53531000+09001
Valley CountyFrazer-Hentges RD1965Stringer/Multi-beam or Girder70 ft100Poor
Old HWY 2 over Beaver Creek 115
No. L53608000+05001
Valley County5M W Hinsdale1931Truss - Thru238 ft100Poor
Oberg RD over Vandalia South Canal 078
No. L53673000+09001
Valley County5M W Glasgow1989Stringer/Multi-beam or Girder38 ft100Poor
Canal RD over Deadman Supply Canal
No. 000000202408098
Wheatland County1.5M E Shawmut1997Stringer/Multi-beam or Girder40 ft100Poor
W I RD over Custer Coulee 098
No. L56003003+09001
Yellowstone County6M NE Huntley1962Stringer/Multi-beam or Girder25 ft100Poor
Fdr #8983 over N Fk Sun River
No. 011501000000015
Lewis and Clark CountyHannan Gulch1927Truss - Thru273 ft99Poor
S.Fk.Yaak/Pipe Cr. over Yaak River
No. 011404000000005
Lincoln CountyJCT 68/92 Town of Yaak.1951Stringer/Multi-beam or Girder170 ft99Poor
68 S.Fork Yaak RD over South Fork Yaak River
No. 011404000000021
Lincoln CountyJust Past JCT With 7461953Stringer/Multi-beam or Girder40 ft99Poor
Pleasant View RD over Seven Mile Creek 025
No. L11002000+03001
Dawson County3M W Glendive1983Stringer/Multi-beam or Girder74 ft94Poor
IRR - S 251 over Hay Creek
No. S00251021+07001
Roosevelt County26M NE Poplar1950Stringer/Multi-beam or Girder39 ft88Poor
Cb Route RD over Br Main Canal 035
No. L40108001+02001
Prairie County3M NE Fallon1928Stringer/Multi-beam or Girder65 ft80Poor
Cb Route RD over Br Main Canal 036
No. L40108001+04001
Prairie County3M NE Fallon1938Stringer/Multi-beam or Girder68 ft80Poor
W Lake RD over Big Muddy Creek 046
No. L46406002+03001
Sheridan County3M W Medicine Lake1950Stringer/Multi-beam or Girder40 ft79Poor
S 543 over Vail Creek
No. S00543002+07001
Garfield County2M N Jordan1976Stringer/Multi-beam or Girder48 ft77Poor
Sheep CR RD over Sheep Creek 097
No. L07421010+04001
Cascade County12M S Cascade1950Stringer/Multi-beam or Girder65 ft68Poor
NFSR 487 over S Fk Judith River
No. 011504000000046
Cascade County18.6 Mi. SW from Utica1958Stringer/Multi-beam or Girder25 ft65Poor
NFSR #487 over S Fk Judith River
No. 011504000000020
Judith Basin County15 Mi. SW of Utica1958Stringer/Multi-beam or Girder24 ft65Poor
NFSR #487 over S Fk Judith River
No. 011504000000022
Judith Basin County18 MI SW of Utica1958Stringer/Multi-beam or Girder28 ft65Poor
NFSR #487 over S Fk Judith River
No. 011504000000023
Judith Basin County19 MI SW of Utica1958Stringer/Multi-beam or Girder28 ft65Poor
NFSR #487 over S Fk Judith River
No. 011504000000024
Judith Basin County19 Mi. SW of Utica1958Stringer/Multi-beam or Girder28 ft65Poor
NFSR #487 over S Fk Judith River
No. 011504000000025
Judith Basin County19 Mi. SW of Utica1958Stringer/Multi-beam or Girder25 ft65Poor
NFSR #487 over S Fk Judith River
No. 011504000000045
Judith Basin County19 Mi. SW of Utica1958Stringer/Multi-beam or Girder24 ft65Poor
Soap Creek RD over Big Horn Canal 009
No. L02090022+07001
Big Horn County11M SW ST Xavier1946Stringer/Multi-beam or Girder58 ft63Poor
Red Rock RD over Limekiln Canyon 022
No. L01309016+03001
Beaverhead County7M NW Dell1931Slab23 ft60Poor
IRR BIA RTE 13 over South Fork Milk River
No. 00000000000C130
Glacier County31KM North Blackfeet Schl1979Stringer/Multi-beam or Girder102 ft60Poor
Swingley RD over W Boulder River 038
No. L34200007+07001
Park County18M E Livingston1938Stringer/Multi-beam or Girder90 ft52Poor
Canyon CR Road over Canyon CR
No. 010202000000032
Beaverhead CountyCanyon CR1952Stringer/Multi-beam or Girder27 ft50Poor
2-LANE Road over Rock Creek
No. 010802000000204
Carbon CountyNo Data Entered1970Stringer/Multi-beam or Girder51 ft50Poor
Fdr 267 over Jefferson Creek
No. 011507000000061
Cascade County0.1 MI East US89/267 JCT1957Stringer/Multi-beam or Girder25 ft50Poor
Taylor Fork Road over Wapiti Creek
No. 011106000000001
Gallatin CountyTaylor Fork1954Stringer/Multi-beam or Girder29 ft50Poor
IRR BIA RTE 191 over Two Medicine Creek
No. 00000000000C120
Glacier CountyBelow Lwr 2 Medicine Dam1969Stringer/Multi-beam or Girder175 ft50Poor
No Data Entered over Ross Fork
No. 010903000000070
Granite CountyRoss Fork1967Stringer/Multi-beam or Girder40 ft50Poor
No Data Entered over Swamp Gul
No. 010903000001023
Granite CountySwamp Gulch1987Stringer/Multi-beam or Girder28 ft50Poor
No Data Entered over Boulder CR
No. 010903000001025
Granite CountyBoulder Creek1949Stringer/Multi-beam or Girder309 ft50Poor

Counties with the most

Lincoln County2915%
Beaverhead County2411%
Phillips County2222%
Mineral County1711%
Missoula County157%
Lake County1311%
Park County1310%
Gallatin County126%
Ravalli County128%
Cascade County116%
good bridgesfair bridges