US Bridges

Fair-condition bridges in Montana

3,165 of Montana's 5,235 bridges (60.5%) are rated fair.The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.Nationally, 49.6% of bridges carry this rating.

Fair bridges
3,165
60.5% of state total
Average age
54 yrs
Posted with load limits
353
Closed
8

Busiest fair-condition bridges

Top 300 by daily traffic · 5,839,001 total daily crossings
BridgeCountyLocationBuiltTypeLengthDaily trafficCondition
N Reserve ST over Clark Fork R Flood Plain
No. U08103003+01631
Missoula CountyMissoula-N Reserve ST1977Stringer/Multi-beam or Girder334 ft35,914Fair
N Reserve ST over Clark Fork River
No. U08103003+02921
Missoula CountyMissoula-N Reserve ST1975Stringer/Multi-beam or Girder832 ft35,914Fair
Reserve ST over W Broadway St-Rr
No. P00071001+00171
Missoula CountyMissoula-Reserve ST1998Stringer/Multi-beam or Girder490 ft29,572Fair
Brooks St-Us 12 over Bitterroot River
No. P00007090+01161
Missoula CountyMissoula-Brooks ST1968Stringer/Multi-beam or Girder347 ft28,185Fair
I 90 over City County Drain Ditch
No. I00090448+04001
Yellowstone CountyBillings1966Culvert23 ft27,985Fair
King Ave W over Bbwa Canal
No. U01010001+03751
Yellowstone CountyBillings-King Ave W1994Tee Beam52 ft26,602Fair
N Seventh Ave over Int N 7th Ave-I 90
No. U01207001+02231
Gallatin CountyBozeman-N Seventh Ave2014Stringer/Multi-beam or Girder200 ft26,020Fair
US 93 over Stillwater River
No. P00005116+01831
Flathead County2M NW Kalispell1996Stringer/Multi-beam or Girder191 ft25,919Fair
US 191-HUFFINE LN over Hyalite Creek
No. P00050082+07571
Gallatin County4M W Bozeman1956Stringer/Multi-beam or Girder32 ft25,670Fair
N 19th Ave over Int N 19th Ave
No. S00412000+04791
Gallatin CountyBozeman-N 19th Ave1994Stringer/Multi-beam or Girder342 ft23,992Fair
Mullowney LN over RR
No. U01010002+06982
Yellowstone CountyBillings-Mullowney LN2007Stringer/Multi-beam or Girder161 ft23,980Fair
US 87 over Int Lockwood I 90
No. P00016000+00001
Yellowstone CountyBillings1966Stringer/Multi-beam or Girder276 ft23,199Fair
US 87 over RR
No. P00016000+04641
Yellowstone CountyBillings1993Stringer/Multi-beam or Girder267 ft23,199Fair
US 87 over Yellowstone River
No. P00016000+06721
Yellowstone CountyBillings-Dick Johnston Br1993Stringer/Multi-beam or Girder566 ft23,199Fair
S Orange ST over Clark Fork River
No. U08107001+05401
Missoula CountyMissoula-S Orange ST2003Stringer/Multi-beam or Girder497 ft22,608Fair
IRR - US 2 over Flathead River
No. P00001137+03441
Flathead CountyColumbia Falls1977Stringer/Multi-beam or Girder489 ft22,220Fair
US 12-E Broadway S over Rattlesnake Creek
No. P00071004+05181
Missoula CountyMissoula-E Broadway ST1964Stringer/Multi-beam or Girder67 ft21,390Fair
I 90 over Walking Path
No. I00090307+08431
Gallatin CountyBozeman2011Arch - Thru32 ft21,232Fair
I 15 over Bell Creek
No. 000000202408081
Silver Bow CountyW Oregon Ave Overpass1963Culvert32 ft19,755Fair
Madison St-Us 12 over Clark Fork River
No. P00007095+00581
Missoula CountyMissoula-Madison ST1958Girder and Floorbeam System552 ft18,393Fair
US 93 over Ashley Creek
No. P00005106+07641
Flathead CountyS of Kalispell2001Stringer/Multi-beam or Girder103 ft18,053Fair
Central Ave over Bbwa Canal
No. U01008001+07501
Yellowstone CountyBillings-Central Ave1978Stringer/Multi-beam or Girder53 ft17,985Fair
Grand Ave over Bbwa Canal
No. U01004001+08401
Yellowstone CountyBillings-Grand Ave1981Slab51 ft15,881Fair
S Billings Blvd over Sep Billings Blvd-I 90
No. U01013000+07771
Yellowstone CountyBillings-S Billings Blvd1963Stringer/Multi-beam or Girder215 ft15,780Fair
I 90 over Int Airway Blvd
No. I00090299+04901
Gallatin County1M E Belgrade2014Stringer/Multi-beam or Girder149 ft15,554Fair
I 90 over Int Airway Blvd
No. I00090299+04902
Gallatin County1M E Belgrade2014Stringer/Multi-beam or Girder149 ft15,554Fair
I 90 over Sep Valley Center Spur
No. I00090303+05881
Gallatin County2.5M W Bozeman1966Stringer/Multi-beam or Girder114 ft15,554Fair
I 90 over Sep E Valley Center Spur
No. I00090303+05882
Gallatin County2.5M W Bozeman1966Stringer/Multi-beam or Girder114 ft15,554Fair
I 90 over Greenough Dr-Rattlesnake
No. I00090105+04671
Missoula CountyMissoula1966Stringer/Multi-beam or Girder245 ft15,284Fair
I 90 over Greenough Dr-Rattlesnake
No. I00090105+04672
Missoula CountyMissoula1966Stringer/Multi-beam or Girder245 ft15,284Fair
I 90 WB over Int Van Buren Street
No. I00090105+06332
Missoula CountyMissoula1964Stringer/Multi-beam or Girder165 ft15,284Fair
I 90 over Hogan Slough
No. I00090445+04541
Yellowstone CountyBillings1959Stringer/Multi-beam or Girder82 ft15,229Fair
Baker Ave over RR
No. S00487000+02001
Flathead CountyWhitefish-Baker Ave1994Stringer/Multi-beam or Girder412 ft15,102Fair
I 15 over Sep Boulder Ave-Rr
No. 000000000001178
Lewis and Clark CountyHelena2016Stringer/Multi-beam or Girder791 ft14,810Fair
I 15 over Sep Boulder Ave-Rr
No. 000000000001179
Lewis and Clark CountyHelena2017Stringer/Multi-beam or Girder784 ft14,810Fair
I 90 over Yellowstone River
No. 000000202201766
Yellowstone CountyBillings2022Stringer/Multi-beam or Girder975 ft14,744Fair
I-90 over Yellowstone River
No. 000000202301765
Yellowstone CountyBillings2023Stringer/Multi-beam or Girder975 ft14,744Fair
S Montana ST over Silver Bow Creek
No. U01805000+05711
Silver Bow CountyButte-S Montana ST1970Slab31 ft14,718Fair
US 93 over Bitterroot River
No. P00007049+05031
Ravalli County2M N Hamilton2005Stringer/Multi-beam or Girder552 ft14,573Fair
US 93 over Blodgett Creek
No. P00007050+03101
Ravalli County2M N Hamilton2008Stringer/Multi-beam or Girder84 ft14,573Fair
15th ST N-Us 87 over Missouri R-Rivers Trail
No. P00010003+05341
Cascade CountyGreat FALLS-15th ST N1962Girder and Floorbeam System1,126 ft14,369Fair
Cedar ST over Int Cedar St-I 15
No. U05807001+08231
Lewis and Clark CountyHelena-Cedar ST2002Stringer/Multi-beam or Girder197 ft14,368Fair
9th ST N over Missouri River
No. U05211000+01071
Cascade CountyGreat FALLS-9th-10 ST N1996Stringer/Multi-beam or Girder1,232 ft14,024Fair
US 93 over S Fork Bear Creek
No. P00007057+00491
Ravalli County2M S Victor2011Stringer/Multi-beam or Girder122 ft13,924Fair
6th ST SW over Sun River
No. U05201000+01031
Cascade CountyGreat FALLS-6th ST SW1980Stringer/Multi-beam or Girder506 ft13,800Fair
IRR - US 2 over Stillwater River
No. P00001122+03341
Flathead County1M NE Kalispell1966Stringer/Multi-beam or Girder184 ft13,680Fair
IRR - US 2 over Stillwater River
No. P00001122+03342
Flathead County1M NE Kalispell1966Stringer/Multi-beam or Girder184 ft13,680Fair
US 87-MT 3-MT 200 over Missouri RIVER-U5205-RR
No. P00060094+08281
Cascade CountyGreat FALLS-10th Ave S1983Stringer/Multi-beam or Girder2,121 ft13,666Fair
US 89-MT 3-MT 200 over Missouri RIVER-U5205-RR
No. P00060094+08282
Cascade CountyGreat FALLS-10th Ave S1951Girder and Floorbeam System2,092 ft13,666Fair
I 90 over Int Reserve Street
No. I00090101+07081
Missoula CountyMissoula1966Stringer/Multi-beam or Girder195 ft13,664Fair
I 90 over Sep Coal Mine Road
No. I00090103+01642
Missoula CountyMissoula1966Stringer/Multi-beam or Girder138 ft13,664Fair
Mullowney LN over Laurel Road
No. U01010002+09211
Yellowstone CountyBillings-Mullowney LN2007Stringer/Multi-beam or Girder172 ft13,348Fair
I 90 over Rattler Gulch
No. I00090149+03001
Granite County4.1M W Drummond1971Slab21 ft13,081Fair
US 93 over Church Drive
No. P00005118+08481
Flathead County5M N Kalispell2008Stringer/Multi-beam or Girder141 ft12,960Fair
US 93 over Church Drive
No. P00005118+08482
Flathead County5M N Kalispell2008Stringer/Multi-beam or Girder141 ft12,960Fair
S 35 over Spring Creek
No. P00052050+04871
Flathead County1M E Kalispell1966Stringer/Multi-beam or Girder93 ft12,793Fair
S Shiloh RD over Bbwa Canal
No. S00429003+03271
Yellowstone County2M W Billings2000Tee Beam55 ft12,688Fair
I 315S over Int I 15
No. I00315000+00001
Cascade CountyGreat Falls1967Stringer/Multi-beam or Girder298 ft12,651Fair
I 90 over Int Mossmain Road-P 4
No. I00090437+04791
Yellowstone County3.1M E Laurel1964Stringer/Multi-beam or Girder120 ft12,397Fair
I 90 over Int Mossmain Road-P 4
No. I00090437+04792
Yellowstone County3.1M E Laurel1964Stringer/Multi-beam or Girder120 ft12,397Fair
I 90 over Bbwa Canal
No. I00090438+00391
Yellowstone County3.7M E Laurel1964Stringer/Multi-beam or Girder41 ft12,397Fair
I 90 over Bbwa Canal
No. I00090438+00392
Yellowstone County3.7M E Laurel1964Stringer/Multi-beam or Girder41 ft12,397Fair
I 90 over Sep S 56th ST W
No. I00090440+02531
Yellowstone County5.6M W Billings1961Stringer/Multi-beam or Girder153 ft12,397Fair
I 90 over Sep S 56th ST W
No. I00090440+02532
Yellowstone County5.6M W Billings1961Stringer/Multi-beam or Girder153 ft12,397Fair
I 90 over Canyon Creek
No. I00090442+08261
Yellowstone County3.1M W Billings1959Stringer/Multi-beam or Girder153 ft12,397Fair
US 310 over RR
No. P00004052+06201
Yellowstone County1M S Laurel2014Stringer/Multi-beam or Girder380 ft12,394Fair
Central Ave W over Int Central Ave W-I 15
No. U05210000+00001
Cascade CountyGreat Falls-Central Ave W1967Stringer/Multi-beam or Girder266 ft12,316Fair
I 90 over Spring Creek
No. I00090377+05001
Sweet Grass County1M NW Greycliff1980Culvert22 ft12,306Fair
Prospect Ave-Us 12 over Int Capitol-I 15
No. P00008046+12211
Lewis and Clark CountyHelena-Prospect Ave1961Stringer/Multi-beam or Girder260 ft12,054Fair
Prospect Ave-Us 12 over Int Capitol-I 15
No. P00008046+12212
Lewis and Clark CountyHelena-Prospect Ave1961Stringer/Multi-beam or Girder260 ft12,054Fair
I 90 over Clark Fork River
No. I00090137+03931
Granite County0.6M W Bearmouth1970Stringer/Multi-beam or Girder348 ft11,802Fair
Second ST over Whitefish River
No. P00005128+00531
Flathead CountyWhitefish-Second ST2013Stringer/Multi-beam or Girder141 ft11,777Fair
I 90 over Lost Creek
No. I00090198+09371
Deer Lodge County2.5M N Warm Springs1978Slab27 ft11,628Fair
Old HWY 312 over Bbwa Canal 167
No. L56788005+08001
Yellowstone County5M NE Billings2005Culvert21 ft11,260Fair
S Higgins Ave over Clark Fork R-Ped Paths
No. U08113000+02381
Missoula CountyMissoula-S Higgins Ave1962Girder and Floorbeam System974 ft11,197Fair
N Montana Ave over Helena Valley Canal
No. U05809002+02701
Lewis and Clark County1M N Helena1958Slab25 ft11,167Fair
S 35 over Flathead River
No. P00052049+01981
Flathead County2M E Kalispell1994Stringer/Multi-beam or Girder884 ft11,074Fair
S 84-NORRIS RD over Gallatin River
No. P00084027+09401
Gallatin County7M W Bozeman1987Stringer/Multi-beam or Girder152 ft10,845Fair
I 90 over Int Exit 396
No. I00090396+09921
Stillwater County5M E Reedpoint1963Slab22 ft10,845Fair
I 90 over Work Creek
No. I00090388+03001
Sweet Grass County3.7M W Reed Point1972Culvert21 ft10,845Fair
I 15 over Int Rocker
No. I00015122+04231
Silver Bow CountyRocker1968Stringer/Multi-beam or Girder118 ft10,824Fair
I 15 over Int Rocker
No. I00015122+04232
Silver Bow CountyRocker1968Stringer/Multi-beam or Girder118 ft10,824Fair
E Kagy Blvd over Bozeman Creek
No. U01212001+08001
Gallatin CountyBozeman-E Kagy Blvd1984Stringer/Multi-beam or Girder57 ft10,757Fair
I 90 over Dempsey Creek
No. I00090192+03001
Powell CountyN Sager Lane Overpass1973Culvert30 ft10,708Fair
I 90 over Sep N Rouse Ave-Rr
No. I00090307+06281
Gallatin CountyBozeman2011Stringer/Multi-beam or Girder435 ft10,616Fair
I 90 over Sep N Rouse Ave-Rr
No. I00090307+06282
Gallatin CountyBozeman2010Stringer/Multi-beam or Girder435 ft10,616Fair
I 90 over Sep L Street
No. I00090308+00001
Gallatin CountyBozeman1968Stringer/Multi-beam or Girder143 ft10,616Fair
I 90 over Sep L Street
No. I00090308+00002
Gallatin CountyBozeman1968Stringer/Multi-beam or Girder145 ft10,616Fair
I 90 over RR
No. I00090309+00591
Gallatin CountyBozeman1971Stringer/Multi-beam or Girder298 ft10,616Fair
E Airport RD over 6th Ave N Bypass 21
No. U01014002+05171
Yellowstone CountyBillings-E Airport RD2009Stringer/Multi-beam or Girder141 ft10,544Fair
I 90 over RR
No. I00090096+09851
Missoula County5M W Missoula1966Stringer/Multi-beam or Girder163 ft10,499Fair
I 90 over RR
No. I00090096+09852
Missoula County5M W Missoula1966Stringer/Multi-beam or Girder163 ft10,499Fair
I 90 over Sep Butler Creek Road
No. I00090098+04271
Missoula County3.7M W Missoula1966Stringer/Multi-beam or Girder138 ft10,499Fair
I 90 over Sep Butler Creek Road
No. I00090098+04272
Missoula County3.7M W Missoula1966Stringer/Multi-beam or Girder138 ft10,499Fair
I 90 over Jr Grade Sep
No. I00090180+04301
Powell County6.2M N Deer Lodge1961Slab23 ft10,463Fair
I 90 over Jr Grade Sep
No. I00090182+09191
Powell County6.2M N Deer Lodge1961Slab23 ft10,463Fair
US 93 over Skalkaho Creek
No. P00007045+00421
Ravalli County2M S Hamilton1984Stringer/Multi-beam or Girder87 ft10,438Fair
I 90 over Willow Creek
No. I00090205+04371
Deer Lodge County2.5M N Opportunity1978Slab28 ft10,417Fair
Wicks LN over Bbwa Canal
No. U01012001+01501
Yellowstone CountyBillings-Wicks LN1988Tee Beam49 ft10,387Fair
I 90 over Whitetail Creek
No. I00090249+04001
Silver Bow County1M E Whitehall1965Culvert30 ft10,349Fair
I 90 over Int E Missoula
No. I00090107+02701
Missoula CountyEast Missoula1964Stringer/Multi-beam or Girder196 ft10,294Fair
I 90 over Int E Missoula
No. I00090107+02702
Missoula CountyEast Missoula1964Stringer/Multi-beam or Girder196 ft10,294Fair
I 90 over Clark Fork River
No. I00090108+02761
Missoula County1.9M W Bonner1965Stringer/Multi-beam or Girder455 ft10,294Fair
I 90 over Clark Fork River
No. I00090108+02762
Missoula County1.9M W Bonner1965Stringer/Multi-beam or Girder455 ft10,294Fair
I 90 over Deer Creek Road
No. I00090109+02241
Missoula County1.9M W Bonner1964Stringer/Multi-beam or Girder143 ft10,294Fair
I 90 over Sep Juniper Dr-Clark Fk
No. I00090109+04091
Missoula County1.2M W Bonner1965Stringer/Multi-beam or Girder409 ft10,294Fair
I 90 over Sep Juniper Dr-Clark Fk
No. I00090109+04092
Missoula County1.2M W Bonner1965Stringer/Multi-beam or Girder409 ft10,294Fair
US 191 FH 42 over Gallatin River
No. P00050070+04611
Gallatin County5M S Gallatin Gateway1958Stringer/Multi-beam or Girder266 ft10,221Fair
Aronson Ave over Bbwa Canal 203
No. M56010001+01001
Yellowstone CountyBillings-Aronson Ave2008Tee Beam55 ft10,114Fair
I 90 over Int Johnson Lane
No. I00090455+03081
Yellowstone County2.5M E Billings1967Stringer/Multi-beam or Girder153 ft10,081Fair
I 90 over Int Johnson Lane
No. I00090455+03082
Yellowstone County2.5M E Billings1967Stringer/Multi-beam or Girder150 ft10,081Fair
US 93 over Big Creek
No. P00007061+06031
Ravalli County2M N Victor2010Stringer/Multi-beam or Girder186 ft10,026Fair
US 93 over Mccalla Creek
No. P00007065+00651
Ravalli County5M N Victor2010Stringer/Multi-beam or Girder67 ft10,026Fair
US 93 over Mccalla Creek
No. P00007065+10081
Ravalli County6M N Victor2008Stringer/Multi-beam or Girder81 ft10,026Fair
US 93 over Kootenai Creek
No. P00007066+01991
Ravalli County6M N Victor2008Stringer/Multi-beam or Girder79 ft10,026Fair
Central Ave Ramp over Underpass Avenue
No. U01035000+05001
Yellowstone CountyBillings1977Stringer/Multi-beam or Girder101 ft9,943Fair
Zoo DR over Shiloh Interchange 014
No. L56200000+08001
Yellowstone CountyBillings-Zoo DR2001Stringer/Multi-beam or Girder446 ft9,917Fair
I 15 over Int S Montana Street
No. I00015126+03161
Silver Bow CountyButte1961Stringer/Multi-beam or Girder168 ft9,878Fair
I 15 over Int S Montana Street
No. I00015126+03162
Silver Bow CountyButte1961Stringer/Multi-beam or Girder168 ft9,878Fair
I 90 over RR
No. I00090309+00592
Gallatin CountyBozeman1971Stringer/Multi-beam or Girder298 ft9,819Fair
I 90 over Int E Bozeman-P 50
No. I00090309+03701
Gallatin CountyBozeman1971Stringer/Multi-beam or Girder204 ft9,819Fair
I 90 over Int E Bozeman-P 50
No. I00090309+03702
Gallatin CountyBozeman1971Stringer/Multi-beam or Girder206 ft9,819Fair
I 90 over Sep Fort Ellis Road
No. I00090310+09781
Gallatin County1.2M E Bozeman1971Slab79 ft9,819Fair
I 90 over Sep Fort Ellis Road
No. I00090310+09782
Gallatin County1.2M E Bozeman1971Slab79 ft9,819Fair
I 90 over Int Bear Canyon
No. I00090313+04471
Gallatin County3.7M E Bozeman1962Stringer/Multi-beam or Girder113 ft9,819Fair
I 90 over Int Bear Canyon
No. I00090313+04472
Gallatin County3.7M E Bozeman1962Stringer/Multi-beam or Girder113 ft9,819Fair
I 90 over RR
No. I00090314+00831
Gallatin County4.3M E Bozeman2006Stringer/Multi-beam or Girder427 ft9,819Fair
I 90 over RR
No. I00090314+00832
Gallatin County4.3M E Bozeman2006Stringer/Multi-beam or Girder427 ft9,819Fair
I 90 over Madison River-Rr
No. I00090278+08571
Gallatin County0.6M E Three Forks1964Stringer/Multi-beam or Girder736 ft9,762Fair
I 90 over Madison River-Rr
No. I00090278+08572
Gallatin County0.6M E Three Forks1964Stringer/Multi-beam or Girder625 ft9,762Fair
I 90 over Darlington Ditch
No. I00090279+05341
Gallatin County1.9M E Three Forks1963Stringer/Multi-beam or Girder144 ft9,762Fair
I 90 over Darlington Ditch
No. I00090279+05342
Gallatin County1.9M E Three Forks1963Stringer/Multi-beam or Girder144 ft9,762Fair
I 90 over Madison River Overflow
No. I00090280+00731
Gallatin County2.5M E Three Forks1963Stringer/Multi-beam or Girder92 ft9,762Fair
I 90 over Madison River Overflow
No. I00090280+00732
Gallatin County2.5M E Three Forks1963Stringer/Multi-beam or Girder92 ft9,762Fair
I 90 over Madison Road
No. I00090280+03611
Gallatin County3.1M E Three Forks1963Stringer/Multi-beam or Girder128 ft9,762Fair
I 90 over Madison Road
No. I00090280+03612
Gallatin County3.1M E Three Forks1963Stringer/Multi-beam or Girder128 ft9,762Fair
I 90 over Int Logan
No. I00090283+02651
Gallatin CountyLogan1963Stringer/Multi-beam or Girder143 ft9,762Fair
Lone Mountain Trl over W Fork W Gallatin 001
No. L16064000+03081
Gallatin County2M E Big Sky1972Stringer/Multi-beam or Girder103 ft9,730Fair
Lone Mountain Trl over Middle Fk W Gallatin 004
No. L16064003+04741
Gallatin CountyBig Sky-Lone Mountain Trl1979Stringer/Multi-beam or Girder209 ft9,730Fair
I 90 over Manhattan South RD
No. I00090289+02721
Gallatin County0.6M E Manhattan1964Stringer/Multi-beam or Girder164 ft9,726Fair
I 90 over Manhattan South RD
No. I00090289+02722
Gallatin County0.6M E Manhattan1964Stringer/Multi-beam or Girder163 ft9,726Fair
I 90 over Sep Heeb Road
No. I00090291+06371
Gallatin County2.5M E Manhattan1965Stringer/Multi-beam or Girder115 ft9,726Fair
I 90 over Gallatin River
No. I00090292+04251
Gallatin County3.1M E Manhattan1965Stringer/Multi-beam or Girder206 ft9,726Fair
I 90 over Gallatin River
No. I00090292+04252
Gallatin County3.1M E Manhattan1965Stringer/Multi-beam or Girder206 ft9,726Fair
I 90 over Sep Thorpe Road
No. I00090293+02131
Gallatin County5M W Belgrade1965Stringer/Multi-beam or Girder114 ft9,726Fair
I 90 over Sep Thorpe Road
No. I00090293+02132
Gallatin County5M W Belgrade1965Stringer/Multi-beam or Girder114 ft9,726Fair
I 90 over Int W Laurel-Rr
No. 000000000001741
Yellowstone CountyLaurel2018Stringer/Multi-beam or Girder556 ft9,599Fair
I 90 over Int Laurel-P 4-RR
No. I00090434+00901
Yellowstone CountyLaurel1964Stringer/Multi-beam or Girder366 ft9,599Fair
S 27th ST over Int 27th ST I 90
No. P00053000+00001
Yellowstone CountyBillings-S 27th ST1966Stringer/Multi-beam or Girder221 ft9,538Fair
I 90 over Int West Livingston
No. I00090330+09911
Park County1.9M W Livingston1962Stringer/Multi-beam or Girder115 ft9,461Fair
I 90 over Int West Livingston
No. I00090330+09912
Park County1.9M W Livingston1962Stringer/Multi-beam or Girder114 ft9,461Fair
I 90 over Int S Livingston-Us HWY
No. I00090332+09411
Park CountyLivingston1962Stringer/Multi-beam or Girder251 ft9,461Fair
I 90 over Hogan Slough
No. I00090445+04542
Yellowstone CountyBillings1959Stringer/Multi-beam or Girder82 ft9,451Fair
I 90 over Int W Billings-U 1020
No. I00090445+09641
Yellowstone CountyBillings1964Stringer/Multi-beam or Girder185 ft9,451Fair
S 35 over Swan River
No. P00052031+00211
Flathead CountyBig Fork1954Stringer/Multi-beam or Girder220 ft9,246Fair
S Billings Blvd over Yellowstone River
No. S00416000+03691
Yellowstone County1M S Billings1972Stringer/Multi-beam or Girder861 ft9,226Fair
IRR - US 93 over Rr-Finley Creek
No. P00005009+06741
Missoula County14M N Missoula2009Stringer/Multi-beam or Girder344 ft9,214Fair
US 93 over Wildlife Underpass
No. P00005010+00391
Missoula County10M N Wye JCT2009Culvert32 ft9,214Fair
Springhill RD over East Gallatin River
No. S00411000+04681
Gallatin County3M NW Bozeman1990Slab80 ft9,107Fair
Springhill RD over Churn Creek
No. S00411001+02281
Gallatin County4M NW Bozeman1990Slab31 ft9,107Fair
US 191 FH 42 over West Fork Gallatin River
No. P00050047+09981
Gallatin County2M E Big Sky2009Stringer/Multi-beam or Girder97 ft8,952Fair
US 191 FH 42 over Gallatin River
No. P00050049+08111
Gallatin County4M NE Big Sky1952Tee Beam160 ft8,952Fair
US 191 FH 42 over Swan Creek
No. P00050057+02881
Gallatin County12M NE Big Sky2009Stringer/Multi-beam or Girder58 ft8,952Fair
US 191 FH 42 over Gallatin River
No. P00050061+03291
Gallatin County14M S Gallatin Gateway1950Stringer/Multi-beam or Girder234 ft8,952Fair
US 191 FH 42 over Spanish Creek
No. P00050068+02171
Gallatin County7M S Gallatin Gateway1931Tee Beam70 ft8,952Fair
N 19th Ave over Rr-S 205
No. S00412000+03561
Gallatin CountyBozeman-N 19th Ave1994Stringer/Multi-beam or Girder317 ft8,938Fair
S 200S-TOWNE ST over Yellowstone River
No. P00057327+03371
Dawson CountyGlendive-Towne ST1958Girder and Floorbeam System1,323 ft8,821Fair
US 93 over Jocko River Side Channel
No. P00005025+07921
Lake County7.5M N Arlee2006Stringer/Multi-beam or Girder98 ft8,775Fair
US 87-E Main ST over Mill Ditch
No. P00057082+02191
Fergus CountyLewistown-E Main ST1922Tee Beam25 ft8,747Fair
I 90 over Jefferson River Overflow
No. I00090277+08261
Gallatin CountyThree Forks1969Stringer/Multi-beam or Girder255 ft8,575Fair
I 90 over Jefferson River Overflow
No. I00090277+08262
Gallatin CountyThree Forks1969Stringer/Multi-beam or Girder255 ft8,575Fair
I 90 over Abandoned RR
No. I00090277+09261
Gallatin CountyThree Forks1969Stringer/Multi-beam or Girder198 ft8,575Fair
Stevi Cutoff RD over Bitterroot River Overflo
No. S00269020+08001
Ravalli County1M NW Stevensville1951Stringer/Multi-beam or Girder76 ft8,573Fair
Stevi Cutoff RD over Bitterroot River
No. S00269021+00001
Ravalli County1M NW Stevensville1951Stringer/Multi-beam or Girder327 ft8,573Fair
IRR - US 93 over Flathead River
No. P00005061+01811
Lake CountyPolson1966Stringer/Multi-beam or Girder1,537 ft8,557Fair
I 90 over Irrigation Canal
No. I00090498+04621
Big Horn County3.1M S Hardin1971Culvert25 ft8,516Fair
I 90 over Int Pinehill-I 94
No. I00090456+05801
Yellowstone County3.7M E Billings1967Stringer/Multi-beam or Girder283 ft8,469Fair
P 86-BRIDGER DR over East Gallatin River
No. P00086001+04821
Gallatin County1M N Bozeman1984Slab78 ft8,443Fair
P 86-BRIDGER DR over Bridger Creek
No. P00086003+01311
Gallatin County2M NE Bozeman2005Slab85 ft8,443Fair
S 200 over Int Bonner I 90
No. P00024000+00001
Missoula County1M W Bonner1965Stringer/Multi-beam or Girder244 ft8,302Fair
S 200 over Blackfoot River
No. P00024000+05841
Missoula County1M W Bonner2009Stringer/Multi-beam or Girder347 ft8,302Fair
Hilltop RD over Bbwa Canal
No. U01027001+09601
Yellowstone CountyBillings-Hilltop RD1960Tee Beam42 ft8,274Fair
I 90 over Int Trail Creek
No. I00090316+07671
Gallatin County7.4M E Bozeman1962Stringer/Multi-beam or Girder129 ft8,272Fair
I 90 over Int Trail Creek
No. I00090316+07672
Gallatin County7.4M E Bozeman1962Stringer/Multi-beam or Girder129 ft8,272Fair
I 90 over Int Jackson Creek
No. I00090319+06691
Gallatin County9.9M E Bozeman1979Stringer/Multi-beam or Girder130 ft8,272Fair
I 90 over Int Jackson Creek
No. I00090319+06692
Gallatin County9.9M E Bozeman1979Stringer/Multi-beam or Girder130 ft8,272Fair
I 90 over Int Hopper
No. I00090324+06051
Park County8.7M W Livingston1978Stringer/Multi-beam or Girder126 ft8,236Fair
I 90 over Int Hopper
No. I00090324+06052
Park County8.7M W Livingston1978Stringer/Multi-beam or Girder126 ft8,236Fair
I 90 over Orea Creek Road
No. I00090328+00291
Park County5M W Livingston1977Slab78 ft8,236Fair
I 90 over Orea Creek Road
No. I00090328+00292
Park County5M W Livingston1977Slab78 ft8,236Fair
IRR - US 93 over Post Creek
No. P00005037+07681
Lake County6M N ST Ignatius1933Tee Beam51 ft8,158Fair
Broadwater Ave over Bbwa Canal
No. U01006001+05001
Yellowstone CountyBillings-Broadwater Ave1984Tee Beam53 ft7,956Fair
Expressway RD over Grant Creek 003
No. M32081000+00301
Missoula CountyMissoula-Expressway RD1981Slab44 ft7,844Fair
I 90 over Sep Local Road
No. I00090001+09821
Mineral County1.9M E Lookout Pass1973Stringer/Multi-beam or Girder157 ft7,824Fair
I 90 over Sep Local Road
No. I00090005+01481
Mineral County5M E Lookout Pass1973Stringer/Multi-beam or Girder304 ft7,824Fair
I 90 over Int Taft
No. I00090005+06861
Mineral County5.6M E Lookout Pass1973Stringer/Multi-beam or Girder133 ft7,824Fair
I 90 over Sep Randolph Creek Road
No. I00090006+05481
Mineral County3.7M W Saltese1973Stringer/Multi-beam or Girder118 ft7,824Fair
I 90 over St. Regis River
No. I00090010+01221
Mineral County0.6M W Saltese1973Stringer/Multi-beam or Girder154 ft7,824Fair
US 93 over Grade Separation
No. P00005029+02801
Lake County2M N Ravalli2006Stringer/Multi-beam or Girder67 ft7,746Fair
US 93 over Mission Creek
No. P00005032+04001
Lake CountyST Ignatius2006Stringer/Multi-beam or Girder133 ft7,746Fair
S 203-EASTSIDE HWY over Bitterroot River
No. S00203010+06401
Ravalli County1M E Florence2014Stringer/Multi-beam or Girder384 ft7,710Fair
I 90 over Int Park City
No. I00090426+05941
Stillwater CountyPark City1967Stringer/Multi-beam or Girder125 ft7,580Fair
I 90 over Int Park City
No. I00090426+05942
Stillwater CountyPark City1967Stringer/Multi-beam or Girder125 ft7,580Fair
I 90 over Sep Pope Road
No. I00090428+01551
Stillwater County1.9M E Park City1967Stringer/Multi-beam or Girder125 ft7,580Fair
I 90 over Sep Pope Road
No. I00090428+01552
Stillwater County1.9M E Park City1967Stringer/Multi-beam or Girder125 ft7,580Fair
I 90 over Sep Wold Road
No. I00090431+03331
Yellowstone County1.9M W Laurel1967Stringer/Multi-beam or Girder125 ft7,580Fair
I 90 over Sep Wold Road
No. I00090431+03332
Yellowstone County1.9M W Laurel1967Stringer/Multi-beam or Girder125 ft7,580Fair
I 90 over Int Laurel-P 4-RR
No. I00090434+00902
Yellowstone CountyLaurel1964Stringer/Multi-beam or Girder366 ft7,545Fair
Old HWY 312 over Seven Mile Creek 168
No. L56788006+05001
Yellowstone County5M SW Huntley1947Stringer/Multi-beam or Girder26 ft7,544Fair
I 90 over Sep Laird St-Frontage RD
No. I00090216+06721
Silver Bow County3.1M W Rocker1967Stringer/Multi-beam or Girder158 ft7,506Fair
I 90 over Int Saltese
No. I00090010+05291
Mineral CountySaltese1973Stringer/Multi-beam or Girder75 ft7,448Fair
I 90 over St. Regis River
No. I00090010+07441
Mineral CountySaltese1973Stringer/Multi-beam or Girder198 ft7,448Fair
I 90 over Int Henderson
No. I00090022+00131
Mineral County3.1M E De Borgia1980Stringer/Multi-beam or Girder138 ft7,448Fair
I 90 over St. Regis Rvr-Local RD
No. I00090023+00631
Mineral County4.3M E De Borgia1979Stringer/Multi-beam or Girder455 ft7,448Fair
I 90 over St. Regis Rvr-Local RD
No. I00090023+03251
Mineral County4.3M E De Borgia1979Stringer/Multi-beam or Girder638 ft7,448Fair
I 15 over Rr-Local
No. I00015125+08831
Silver Bow CountyButte2010Box Beam or Girders - Multiple256 ft7,379Fair
I 15 over Rr-Local
No. I00015125+08832
Silver Bow CountyButte2012Box Beam or Girders - Multiple243 ft7,379Fair
E Griffin DR over E Gallatin River 090
No. M16012000+00101
Gallatin County1M N Bozeman1989Tee Beam53 ft7,375Fair
I 90 over Sep Laird St-Frontage RD
No. I00090216+06722
Silver Bow County3.1M W Rocker1967Stringer/Multi-beam or Girder158 ft7,361Fair
I 90 over Int Nissler
No. I00090219+01691
Silver Bow County1.2M W Rocker1968Stringer/Multi-beam or Girder303 ft7,361Fair
I 90 over Int Nissler
No. I00090219+01692
Silver Bow County1.2M W Rocker1968Stringer/Multi-beam or Girder293 ft7,361Fair
S 35 over Mill Creek
No. P00052040+08471
Flathead County1M E Creston1995Stringer/Multi-beam or Girder72 ft7,194Fair
Whitefish Stage RD over Stillwater River
No. U06728000+05501
Flathead CountyKalispell1975Tee Beam153 ft7,156Fair
US 2 over Ashley Creek
No. P00001114+06501
Flathead County5M SW Kalispell2015Stringer/Multi-beam or Girder126 ft7,127Fair
I 15 over Int Harrison Ave
No. I00015127+09361
Silver Bow CountyButte1960Stringer/Multi-beam or Girder209 ft7,009Fair
I 15 over Int Harrison Ave
No. I00015127+09362
Silver Bow CountyButte1960Stringer/Multi-beam or Girder209 ft7,009Fair
US 93 over Bitterroot River
No. P00007043+06661
Ravalli County3M S Hamilton1949Stringer/Multi-beam or Girder302 ft6,979Fair
US287 over Beaver Creek
No. 000000202308064
Broadwater County1 M NW Winston1992Culvert20 ft6,930Fair
N 27th ST over Bbwa Canal
No. P00053002+01251
Yellowstone CountyBillings-N 27th ST1947Stringer/Multi-beam or Girder38 ft6,888Fair
US 12 over Missouri River
No. P00008076+03431
Broadwater County1M N Townsend1935Stringer/Multi-beam or Girder500 ft6,843Fair
Scott ST over RR
No. U08109000+04771
Missoula CountyMissoula-Scott ST1979Stringer/Multi-beam or Girder1,024 ft6,636Fair
I 90 over Int Bearmouth
No. I00090138+00851
Granite CountyBearmouth1970Stringer/Multi-beam or Girder120 ft6,541Fair
US 287 over Int Three Forks I 90
No. P00008107+08931
Broadwater County3M W Three Forks2012Stringer/Multi-beam or Girder276 ft6,444Fair
Shields Ave over Drainage
No. 000000202308071
Silver Bow CountyButte-Shields Ave1958Culvert30 ft6,411Fair
Shields Ave over RR
No. U01807001+01361
Silver Bow CountyButte-Shields Ave1958Stringer/Multi-beam or Girder216 ft6,411Fair
I 90 over Int S Livingston-Us HWY
No. I00090332+09412
Park CountyLivingston1962Stringer/Multi-beam or Girder253 ft6,397Fair
I 90 over Yellowstone River
No. I00090333+05521
Park CountyLivingston1962Girder and Floorbeam System730 ft6,397Fair
I 90 over Yellowstone River
No. I00090333+05522
Park CountyLivingston1962Girder and Floorbeam System730 ft6,397Fair
I 90 over Sep S 295
No. I00090336+08901
Park County3.7M E Livingston1962Stringer/Multi-beam or Girder128 ft6,397Fair
I 90 over Sep S 295
No. I00090336+08902
Park County3.7M E Livingston1962Stringer/Multi-beam or Girder128 ft6,397Fair
Conrad RD over Stillwater River
No. S00317003+00001
Flathead County1M E Kalispell1980Stringer/Multi-beam or Girder219 ft6,375Fair
I 90 over RR
No. I00090110+00331
Missoula County0.6M W Bonner1963Stringer/Multi-beam or Girder329 ft6,216Fair
I 90 over RR
No. I00090110+00332
Missoula County0.6M W Bonner1963Stringer/Multi-beam or Girder359 ft6,216Fair
I 90 over Abandoned Railroad
No. I00090110+09391
Missoula County0.6M E Bonner1964Stringer/Multi-beam or Girder153 ft6,216Fair
I 90 WB over Abandoned Railroad
No. I00090110+09392
Missoula County0.6M E Bonner1964Stringer/Multi-beam or Girder153 ft6,216Fair
I 90 EB over Sep Rustic Road
No. I00090111+06571
Missoula County1.2M E Bonner1964Stringer/Multi-beam or Girder120 ft6,216Fair
I 90 WB over Sep Rustic Road
No. I00090111+06572
Missoula County1.2M E Bonner1964Stringer/Multi-beam or Girder120 ft6,216Fair
US 310 over RR
No. P00004052+06202
Yellowstone County1M S Laurel2015Stringer/Multi-beam or Girder380 ft6,197Fair
E Valley Center RD over Hyalite Creek
No. S00235001+04761
Gallatin County3M NW Bozeman2011Stringer/Multi-beam or Girder44 ft6,192Fair
York RD over Prickly Pear Creek
No. S00280000+03441
Lewis and Clark County2M NE Helena1941Stringer/Multi-beam or Girder34 ft6,170Fair
I 90 over Int COLUMBUS-9th ST N
No. I00090408+09031
Stillwater CountyColumbus1971Stringer/Multi-beam or Girder141 ft6,161Fair
I 90 over Int COLUMBUS-9th ST N
No. I00090408+09032
Stillwater CountyColumbus1971Stringer/Multi-beam or Girder141 ft6,161Fair
I 90 over Hensley Cr-Hensley CR RD
No. I00090414+02351
Stillwater County5.6M E Columbus1970Stringer/Multi-beam or Girder224 ft6,161Fair
I 90 over Hensley Cr-Hensley CR RD
No. I00090414+02352
Stillwater County5.6M E Columbus1970Stringer/Multi-beam or Girder244 ft6,161Fair
I 90 over Pine Crest Road
No. I00090417+07421
Stillwater County8.7M E Columbus1970Slab79 ft6,161Fair
I 90 over Pine Crest Road
No. I00090417+07422
Stillwater County8.7M E Columbus1970Slab79 ft6,161Fair
I 90 over Ronan Ranch Road
No. I00090419+00261
Stillwater County7.4M W Park City1970Slab79 ft6,161Fair
I 90 over Ronan Ranch Road
No. I00090419+00262
Stillwater County7.4M W Park City1970Slab79 ft6,161Fair
I 90 over Sep Yegens County Road
No. I00090419+09851
Stillwater County6.2M W Park City1970Slab79 ft6,161Fair
I 90 over Sep Yegens County Road
No. I00090419+09852
Stillwater County6.2M W Park City1970Slab79 ft6,161Fair
I 90 over Big Ditch
No. I00090420+05441
Stillwater County5.6M W Park City1970Stringer/Multi-beam or Girder73 ft6,161Fair
I 90 over Big Ditch
No. I00090420+05442
Stillwater County5.6M W Park City1970Stringer/Multi-beam or Girder73 ft6,161Fair
I 90 over Sep Youngs Point Road
No. I00090421+08102
Stillwater County4.3M W Park City1970Stringer/Multi-beam or Girder136 ft6,161Fair
I 90 over Valley Creek
No. I00090424+07551
Stillwater County1.9M W Park City1970Stringer/Multi-beam or Girder140 ft6,161Fair
I 90 over Valley Creek
No. I00090424+07552
Stillwater County1.9M W Park City1970Stringer/Multi-beam or Girder140 ft6,161Fair
I 90 over Sep Valley Creek Road
No. I00090424+09901
Stillwater County1.2M W Park City1970Stringer/Multi-beam or Girder126 ft6,161Fair
I 90 over Sep Valley Creek Road
No. I00090424+09902
Stillwater County1.2M W Park City1970Stringer/Multi-beam or Girder126 ft6,161Fair
Central Ave W over Galt Ave-Rr
No. U05210000+01601
Cascade CountyGreat Falls-Central Ave W1967Stringer/Multi-beam or Girder553 ft6,158Fair
Central Ave W over Galt Ave-Rr
No. U05210000+01602
Cascade CountyGreat Falls-Central Ave W1967Stringer/Multi-beam or Girder538 ft6,158Fair
I 90 over Upper Deer Creek
No. I00090375+04861
Sweet Grass County2.5M W Greycliff1980Stringer/Multi-beam or Girder172 ft6,153Fair
I 90 over Upper Deer Creek
No. I00090375+04862
Sweet Grass County2.5M W Greycliff1980Stringer/Multi-beam or Girder172 ft6,153Fair
I 90 over Lower Deer Creek
No. I00090377+02361
Sweet Grass County0.6M W Greycliff1980Stringer/Multi-beam or Girder72 ft6,153Fair
Poly DR over Bbwa Canal 040
No. M56010000+00701
Yellowstone CountyBillings-Poly DR1971Tee Beam67 ft6,121Fair
N 7th Ave-Frtg RD over RR - Mrl
No. U01207002+01081
Gallatin CountyBozeman-N Seventh Ave1993Stringer/Multi-beam or Girder391 ft6,113Fair
I 90 over Jarrett CR Farm Access
No. I00090357+02211
Sweet Grass County3.1M E Springdale1981Stringer/Multi-beam or Girder115 ft6,090Fair
I 90 over Cnty RD 113-FRYER Creek
No. I00090358+04802
Sweet Grass County4.3M E Springdale1983Slab78 ft6,090Fair
I 90 over Sep County Road
No. I00090363+05671
Sweet Grass County5M W Big Timber1981Slab79 ft6,090Fair
I 90 over Sep County Road
No. I00090363+05672
Sweet Grass County5M W Big Timber1981Slab79 ft6,090Fair
I 90 over Sep Loiselle Road
No. I00090093+03971
Missoula County3.7M E Frenchtown1971Slab79 ft6,073Fair
I 90 over Sep Loiselle Road
No. I00090093+03972
Missoula County3.7M E Frenchtown1971Slab79 ft6,073Fair
I 90 over Int Jens
No. I00090162+02781
Powell County8M E Drummond1959Stringer/Multi-beam or Girder114 ft5,992Fair
I 90 over Int Jens
No. I00090162+02782
Powell County8M E Drummond1959Stringer/Multi-beam or Girder114 ft5,992Fair
I 90 EB over Int Gold Creek
No. I00090166+02721
Powell CountyGold Creek1959Stringer/Multi-beam or Girder155 ft5,992Fair
I 90 WB over Int Gold Creek
No. I00090166+02722
Powell CountyGold Creek1959Stringer/Multi-beam or Girder155 ft5,992Fair
I 15 over Prickly Pear Creek
No. I00015180+08901
Jefferson County1.2M S Clancy1969Slab23 ft5,987Fair
I 15 over Prickly Pear Creek
No. I00015181+05641
Jefferson County0.6M S Clancy1969Slab23 ft5,987Fair
Baker Ave over Whitefish River 113
No. M15120000+00101
Flathead CountyWhitefish-Baker Ave1977Stringer/Multi-beam or Girder108 ft5,948Fair
I 90 over Int Beavertail
No. I00090130+04301
Missoula County7.4M W Bearmouth1972Stringer/Multi-beam or Girder125 ft5,901Fair
I 90 over Int Beavertail
No. I00090130+04302
Missoula County7.4M W Bearmouth1972Stringer/Multi-beam or Girder125 ft5,901Fair
S 16-HOLLY ST over Usrs Canal
No. P00062036+06701
Richland CountyNW Edge Sidney-Holly ST1999Stringer/Multi-beam or Girder74 ft5,874Fair
I 90 over Int Springtime
No. I00090400+06311
Stillwater County8M W Columbus1971Stringer/Multi-beam or Girder131 ft5,861Fair
I 90 over Int Springtime
No. I00090400+06312
Stillwater County8M W Columbus1971Stringer/Multi-beam or Girder131 ft5,861Fair
I 90 over Keyser Creek
No. I00090407+08621
Stillwater County1.2M W Columbus1971Stringer/Multi-beam or Girder191 ft5,861Fair
I 90 over Keyser Creek
No. I00090407+08622
Stillwater County1.2M W Columbus1971Stringer/Multi-beam or Girder191 ft5,861Fair
N 24th ST over Bbwa Canal 207
No. M56010000+00601
Yellowstone CountyBillings-N 24th ST W1988Tee Beam60 ft5,858Fair
US 2 over Cherry Creek Overflow
No. P00001539+09441
Valley County1M N Glasgow1980Slab115 ft5,857Fair
US 2 over Cherry Creek
No. P00001540+03401
Valley County1M N Glasgow1979Slab115 ft5,857Fair
US 93 over Mud Creek
No. P00005050+05081
Lake County4M N Ronan2008Arch - Deck52 ft5,852Fair
US 93 over Mud Creek
No. P00005050+05082
Lake County4M N Ronan2007Arch - Deck52 ft5,852Fair
I 90 over Int Galen
No. I00090197+05601
Deer Lodge County3.7M N Warm Springs1978Stringer/Multi-beam or Girder133 ft5,814Fair

Counties with the most

Yellowstone County18664%
Gallatin County15774%
Beaverhead County15066%
Flathead County12662%
Missoula County12561%
Jefferson County10376%
Mineral County9965%
Cascade County9752%
Fergus County9761%
Dawson County9284%
good bridgespoor bridges