US Bridges

Lewis and Clark County, Montana bridges

Lewis and Clark County has 204 bridges and culverts in the National Bridge Inventory, the oldest built in 1881. 11 (5%) are rated poor. The most common type is stringer/multi-beam or girder (54%).

Bridges
204
Good
58%
Fair
37%
Poor
5%
11 bridges
Average age
45.5 yrs
Posted or closed
23

Map of bridges in Lewis and Clark County

Green good, amber fair, red poor. Click a marker for details.

Search bridges in Lewis and Clark County

Type at least two characters, or pick a condition or type, to search every bridge in the county.

Condition

5%poor
Good58%(118)
Fair37%(75)
Poor5%(11)

When they were built

<1900: 2 bridges2<19001900s: 2 bridges219001910s: 3 bridges319101920s: 1 bridges119201930s: 9 bridges919301940s: 8 bridges819401950s: 18 bridges1819501960s: 45 bridges4519601970s: 17 bridges1719701980s: 13 bridges1319801990s: 12 bridges1219902000s: 42 bridges4220002010s: 24 bridges2420102020s: 8 bridges82020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. Lyndale Ave-Us 12 over Great Northern Area
    20,397 vehicles/day
    Good
  2. US 12 over RR
    19,327 vehicles/day
    Good
  3. N Last Chance Gulc over RR
    18,569 vehicles/day
    Good
  4. E Custer Ave over Int Custer Ave-I 15
    16,988 vehicles/day
    Good
  5. US 12 over Prickly Pear Creek
    15,333 vehicles/day
    Good

Longest

  1. I 15 over Missouri Rvr-Rr-Local
    1,288 ft
    Fair
  2. I 15 over Missouri Rvr-Rr-Local
    1,250 ft
    Fair
  3. York RD over Missouri River
    1,080 ft
    Fair
  4. I 15 over Sep Boulder Ave-Rr
    791 ft
    Fair
  5. I 15 over Sep Boulder Ave-Rr
    784 ft
    Fair

Oldest

  1. S Howie ST over Reeders Alley 001
    Built 1881
    Fair
  2. Augusta RD over Dearborn River 011
    Built 1896
    Fair
  3. Birdtail RD over Flat Creek 036
    Built 1901
    Poor
  4. Chevallier DR over Little Prickly Pear 109
    Built 1905
    Fair
  5. Lovers Lane over Elk Creek 041
    Built 1914
    Poor

All bridges in Lewis and Clark County

Busiest first · showing 1–200 of 204
Bridges in Lewis and Clark County
BridgeLocationBuiltTypeLengthDaily trafficCondition
Lyndale Ave-Us 12 over Great Northern Area
No. P00008043+03061
Helena-Lyndale Ave2003Arch - Deck20 ft20,397Good
US 12 over RR
No. P00008047+09781
3M E Helena1978Stringer/Multi-beam or Girder276 ft19,327Good
N Last Chance Gulc over RR
No. U05807000+07711
Helena2003Tee Beam144 ft18,569Good
E Custer Ave over Int Custer Ave-I 15
No. U05802002+04741
Helena-E Custer Ave2012Stringer/Multi-beam or Girder239 ft16,988Good
US 12 over Prickly Pear Creek
No. P00008049+03341
East Helena1978Stringer/Multi-beam or Girder77 ft15,333Good
I 15 over Sep Boulder Ave-Rr
No. 000000000001178
Helena2016Stringer/Multi-beam or Girder791 ft14,810Fair
I 15 over Sep Boulder Ave-Rr
No. 000000000001179
Helena2017Stringer/Multi-beam or Girder784 ft14,810Fair
E Custer Ave over Helena Valley Canal
No. U05802003+02961
Helena-E Custer Ave2012Tee Beam51 ft14,653Good
Cedar ST over Int Cedar St-I 15
No. U05807001+08231
Helena-Cedar ST2002Stringer/Multi-beam or Girder197 ft14,368Fair
Prospect Ave-Us 12 over Int Capitol-I 15
No. P00008046+12211
Helena-Prospect Ave1961Stringer/Multi-beam or Girder260 ft12,054Fair
Prospect Ave-Us 12 over Int Capitol-I 15
No. P00008046+12212
Helena-Prospect Ave1961Stringer/Multi-beam or Girder260 ft12,054Fair
N Montana Ave over Helena Valley Canal
No. U05809002+02701
1M N Helena1958Slab25 ft11,167Fair
N Montana Ave over Ten Mile Creek
No. U05809002+09631
2M N Helena2004Stringer/Multi-beam or Girder60 ft11,167Good
Canyon Ferry RD over Prickly Pear Creek
No. S00430000+09131
1M E Helena2001Slab78 ft10,503Good
Lincoln RD over Int Lincoln-I 15
No. S00279000+00001
10M N Helena1962Stringer/Multi-beam or Girder206 ft7,492Poor
I 15 over Ten Mile Creek
No. I00015196+01921
4M N Helena1962Stringer/Multi-beam or Girder52 ft6,202Good
I 15 over Ten Mile Creek
No. I00015196+01922
4M N Helena1962Stringer/Multi-beam or Girder52 ft6,202Good
I 15 over Sep Sierra RD E
No. I00015197+00391
4M N Helena1962Stringer/Multi-beam or Girder120 ft6,202Good
I 15 over Sep Sierra RD E
No. I00015197+00392
4M N Helena1962Stringer/Multi-beam or Girder120 ft6,202Good
York RD over Prickly Pear Creek
No. S00280000+03441
2M NE Helena1941Stringer/Multi-beam or Girder34 ft6,170Fair
Saddle Drive over S Helena Int I 15 156
No. L25608000+00001
1M S Helena2007Stringer/Multi-beam or Girder186 ft5,722Good
Wylie DR over Helena Valley Canal 081
No. L25009002+01001
2M N East Helena1958Tee Beam43 ft5,482Fair
I 15 over Wolf Creek
No. I00015226+03131
Wolf Creek1966Culvert34 ft5,109Fair
US 12 over Ten Mile Creek
No. P00008036+09441
5M W Helena1988Stringer/Multi-beam or Girder109 ft5,018Good
Lake Helena DR over Helena Valley Canal 073
No. L25034000+04001
2M N East Helena2004Tee Beam44 ft4,910Good
Green Meadow DR over Ten Mile Creek
No. S00231001+00001
1M N Helena1992Slab79 ft4,837Good
Canyon Ferry RD over Helena Valley Canal
No. S00430004+07731
5M E Helena2009Stringer/Multi-beam or Girder53 ft4,835Good
I 15 over Little Prickly Pear CR
No. I00015218+06001
2M NW Seiben Int1965Culvert25 ft4,806Good
Green Meadow DR over Helena Valley Canal
No. S00231002+01001
2M N Helena1992Slab62 ft4,510Good
Wylie DR over Prickly Pear Creek 080
No. L25007003+03001
1M N East Helena1958Slab33 ft4,338Good
I 15 over Rock Creek
No. I00015230+03001
3M N Wolf Creek1967Culvert30 ft4,290Good
I 15 over Dog Creek
No. I00015233+06001
1M S Craig1967Culvert23 ft4,290Fair
Green Meadow DR over Helena Valley Canal
No. S00231003+06001
4M N Helena2000Tee Beam39 ft4,190Good
Country Club Ave over Ten Mile Creek 113
No. M25058000+00701
3M W Helena2000Tee Beam74 ft3,235Good
Williams Ave over Ten Mile Creek 003
No. L25549000+01001
1M W Helena2010Tee Beam75 ft3,068Good
Valley DR over Helena Valley Canal 074
No. L25049002+02001
2M N East Helena2000Tee Beam43 ft2,914Good
E Main Street over Prickly Pear Creek 009
No. M25037000+00301
East Helena-E Main ST1934Tee Beam67 ft2,580Fair
I 15 over Int Spring Creek-Rr
No. I00015219+02181
7M S Wolf Creek1964Stringer/Multi-beam or Girder539 ft2,555Fair
I 15 over Int Spring Creek-Rr
No. I00015219+02182
7M S Wolf Creek1964Stringer/Multi-beam or Girder530 ft2,555Fair
I 15 over Sep Lyons Creek Road
No. I00015220+04981
6M S Wolf Creek1964Stringer/Multi-beam or Girder134 ft2,555Good
I 15 over Sep Lyons Creek Road
No. I00015220+04982
6M S Wolf Creek1964Stringer/Multi-beam or Girder134 ft2,555Good
I 15 over Int Wolf Creek
No. I00015226+07631
Wolf Creek1966Stringer/Multi-beam or Girder114 ft2,555Good
I 15 over Int Wolf Creek
No. I00015226+07632
Wolf Creek1966Stringer/Multi-beam or Girder114 ft2,555Fair
I 15 over Int Gates of the Mtns
No. I00015209+01081
17M S Wolf Creek1962Stringer/Multi-beam or Girder120 ft2,403Good
I 15 over Int Gates of the Mtns
No. I00015209+01082
17M S Wolf Creek1962Stringer/Multi-beam or Girder120 ft2,403Good
I 15 over Int Seiben
No. I00015216+04821
10M S Wolf Creek1962Stringer/Multi-beam or Girder115 ft2,403Good
I 15 over Int Seiben
No. I00015216+04822
10M S Wolf Creek1962Stringer/Multi-beam or Girder115 ft2,403Good
I 15 over Little Prickly Pear CR
No. I00015218+04031
9M S Wolf Creek1965Stringer/Multi-beam or Girder526 ft2,403Fair
I 15 over Little Prickly Pear CR
No. I00015218+04032
9M S Wolf Creek1965Stringer/Multi-beam or Girder652 ft2,403Fair
I 15 over Int Craig
No. I00015234+02161
Craig1967Stringer/Multi-beam or Girder124 ft2,201Good
I 15 over Int Craig
No. I00015234+02162
Craig1967Stringer/Multi-beam or Girder124 ft2,201Good
I 15 over RR
No. I00015235+09781
2M N Craig1967Stringer/Multi-beam or Girder366 ft2,201Good
I 15 over RR
No. I00015235+09782
2M N Craig1967Stringer/Multi-beam or Girder366 ft2,201Good
I 15 over Sep Missouri Rvr-Co RD
No. I00015236+02121
2M N Craig1967Girder and Floorbeam System771 ft2,201Fair
I 15 over Sep Missouri Rvr-Co RD
No. I00015236+02122
2M N Craig1967Girder and Floorbeam System771 ft2,201Fair
I 15 over Stickney Creek
No. I00015236+08741
2M N Craig1968Tee Beam93 ft2,201Fair
I 15 over Stickney Creek
No. I00015236+08742
2M N Craig1968Tee Beam93 ft2,201Good
I 15 over Missouri Rvr-Rr-Local
No. I00015239+01771
5M N Craig1971Stringer/Multi-beam or Girder1,250 ft2,201Fair
I 15 over Missouri Rvr-Rr-Local
No. I00015239+01772
5M N Craig1971Stringer/Multi-beam or Girder1,288 ft2,201Fair
S 200 over Beaver Creek
No. P00024069+05001
2M W Lincoln1993Culvert22 ft2,140Good
S 200 over Keep Cool Creek
No. P00024069+07191
2M W Lincoln1993Culvert26 ft2,140Good
S 200 over Landers Fork
No. P00024077+08071
4M NE Lincoln1938Stringer/Multi-beam or Girder154 ft2,011Fair
S 200 over Wildlife Crossing
No. P00024079+02301
6M NE Lincoln2014Slab24 ft1,991Good
S 200 over Wildlife Crossing
No. P00024082+04281
9M NE Lincoln2014Slab24 ft1,991Good
S 200 over Alice Creek
No. P00024082+08931
9M NE Lincoln2014Tee Beam129 ft1,991Good
Green Meadow DR over Silver Creek
No. S00231005+05001
6M N Helena2000Tee Beam40 ft1,977Good
Frontage Road 295 over Ten Mile Creek 071
No. L25295002+04001
2M N Helena1962Stringer/Multi-beam or Girder51 ft1,929Poor
Mchugh LN over Helena Valley Canal 086
No. M25058000+00401
2M N Helena2000Tee Beam47 ft1,893Good
Mchugh LN over Ten Mile Creek 087
No. M25058000+00501
2M N Helena1989Slab39 ft1,893Good
Birdseye RD over Seven Mile Creek 034
No. L25602008+06001
6M NW Helena2001Tee Beam40 ft1,589Good
Canyon Ferry RD over Helena Valley Canal
No. S00284004+07001
9M NE East Helena2010Stringer/Multi-beam or Girder57 ft1,589Good
S Cruse Ave over Pedestrian Underpass
No. U05815000+05001
Helena-S Cruse Ave1972Channel Beam46 ft1,548Poor
Applegate DR over Helena Valley Canal 115
No. L25655000+06001
6M NW Helena1958Stringer/Multi-beam or Girder28 ft1,535Fair
S 200 over Flat Creek
No. P00024111+02361
16M SW Simms1986Culvert41 ft1,507Fair
S 200 over Middle Fk Dearborn River
No. P00024097+09961
25M NE Lincoln1993Stringer/Multi-beam or Girder113 ft1,467Good
S 200 over Dearborn River
No. P00024102+05011
25M SW Simms1949Stringer/Multi-beam or Girder186 ft1,432Fair
S 200 over Stockpass
No. P00024104+02001
23M SW Simms1949Stringer/Multi-beam or Girder21 ft1,432Poor
Mill Road over Helena Valley Canal 082
No. 000000202104939
2M NW Helena2021Tee Beam49 ft1,219Good
Lake Helena DR over Causeway-Lake Helena 072
No. L25100000+07001
8M N East Helena1944Slab25 ft971Fair
John G Mine RD over Helena Valley Canal 116
No. L25658000+05001
6M NW Helena1958Stringer/Multi-beam or Girder29 ft795Good
Bridge ST over Missouri River 062
No. L25013000+03001
Craig2006Stringer/Multi-beam or Girder490 ft778Good
Frontage Road 241 over Little Prickly Pear 059
No. L25241000+00301
Wolf Creek1966Stringer/Multi-beam or Girder90 ft711Good
Sierra Road E over Prickly Pear Creek 077
No. L25104002+02001
5M NE Helena1998Tee Beam72 ft623Fair
Sierra Road E over Ten Mile Creek 076
No. L25104002+09001
5M NE Helena2001Tee Beam69 ft623Good
Glass DR over Helena Valley Canal 150
No. L25128001+09001
11M N Helena1958Stringer/Multi-beam or Girder22 ft611Fair
Route 284 over Canyon Ferry Spillway
No. MTA-CF-001
14 MI E-Ne of Helena Mt1950Girder and Floorbeam System230 ft600Fair
US 287 over Int Augusta I 15
No. P00009000+00001
1M NE Wolf Creek1966Stringer/Multi-beam or Girder195 ft564Fair
US 287 over Rock Creek
No. P00009001+05001
3M NE Wolf Creek1967Culvert25 ft564Fair
York RD over Missouri River
No. S00280012+00001
14M NE Helena1982Stringer/Multi-beam or Girder1,080 ft551Fair
York RD over Trout Creek
No. S00280013+04001
15M NE Helena1982Tee Beam66 ft551Good
US 287 over Sun River
No. P00009043+01451
4M NE Augusta1936Girder and Floorbeam System320 ft538Fair
Applegate DR over Silver Creek 144
No. L25655001+01001
5M NW Helena2005Tee Beam24 ft510Good
Lincoln RD W over Little Prickly Pear CR
No. S00279016+00451
2M NW Canyon Creek1949Stringer/Multi-beam or Girder58 ft501Fair
Lincoln RD W over Canyon Creek
No. S00279017+09161
5M NW Canyon Creek1949Stringer/Multi-beam or Girder59 ft501Fair
Lincoln RD W over Canyon Creek
No. S00279019+06491
6M NW Canyon Creek1949Stringer/Multi-beam or Girder63 ft501Fair
Norris RD over Helena Valley Canal 114
No. L25655002+03001
4M NW Helena1958Stringer/Multi-beam or Girder25 ft491Good
S Recreation RD over Sheep Creek 117
No. L25003005+02001
2M S Wolf Creek1933Tee Beam64 ft484Fair
Craig Frontage RD over Missouri River 054
No. L25003011+00001
2M NE Wolf Creek1933Truss - Thru507 ft484Poor
US 287 over Dearborn River
No. P00009013+00501
14M NW Wolf Creek1963Stringer/Multi-beam or Girder299 ft460Fair
US 287 over Elk Creek
No. P00009038+00511
Augusta2008Slab81 ft439Good
US 287 over Elk Creek Overflow
No. P00009038+01621
Augusta2008Slab81 ft439Good
US 287 over Flat Creek
No. P00009023+05901
14M SE Augusta2007Stringer/Multi-beam or Girder73 ft429Good
US 287 over Dry Creek
No. P00009032+06901
5M SE Augusta2008Stringer/Multi-beam or Girder69 ft377Good
Head LN over Seven Mile Creek 149
No. L25646001+04001
5M NW Helena1982Stringer/Multi-beam or Girder24 ft354Fair
Craig Frontage RD over Wegner Creek 055
No. L25003016+05001
Craig1934Tee Beam41 ft329Fair
Craig Frontage RD over Stickney Creek 057
No. L25003019+00001
2M N Craig1968Tee Beam92 ft329Fair
E Riggs ST over Prickly Pear Creek 083
No. M25037000+00201
East Helena-E Riggs ST1982Tee Beam57 ft316Good
Stemple Pass RD over Blackfoot River 118
No. L25500000+07001
.5M S Lincoln1959Tee Beam124 ft301Fair
Stemple Pass RD over Poorman Creek 153
No. L25500003+02001
3M S Lincoln2009Tee Beam42 ft301Good
S 21 over Elk Creek 119
No. L25400000+02001
1M NE Augusta1935Tee Beam80 ft260Fair
S 21 over Spring Creek Coulee 124
No. L25400004+04001
5M E Augusta1982Culvert20 ft260Fair
S 21 over Dry Creek 122
No. L25400009+01001
12M W Simms1935Stringer/Multi-beam or Girder78 ft260Fair
Little Wolf CR RD over Wolf Creek 112
No. L25220000+02001
4M NW Wolf Creek2010Stringer/Multi-beam or Girder63 ft237Good
Little Wolf CR RD over Wolf Creek 146
No. L25220001+09001
6M NW Wolf Creek2007Culvert28 ft237Good
Little Wolf CR RD over Wolf Creek 145
No. L25220003+00001
7M NW Wolf Creek2007Stringer/Multi-beam or Girder29 ft237Good
Nelson RD over Beaver Creek 121
No. L25103007+08001
Nelson1975Channel Beam27 ft234Fair
Rimini RD over Ten Mile Creek 101
No. L25606001+01001
11M W Helena2015Stringer/Multi-beam or Girder101 ft231Good
Rimini RD over Ten Mile Creek 102
No. L25606002+04001
12M SW Helena2015Tee Beam100 ft231Good
Remini RD over Ten Mile Creek 103
No. L25606003+03001
13M SW Helena2015Tee Beam101 ft231Good
Rimini RD over Ten Mile Creek 104
No. L25606004+04001
14M SW Helena1981Tee Beam60 ft231Good
Rimini RD over Ten Mile Creek 105
No. L25606005+02001
15M SW Helena1981Tee Beam70 ft231Fair
Sun Canyon RD over Willow Creek 160
No. 000000000007023
6M NW Augusta2015Tee Beam61 ft200Good
Copper Creek Road over Copper Creek
No. 011204000003066
No Data Entered2005Stringer/Multi-beam or Girder50 ft169Good
NFSR 330 over Copper Creek
No. 011204000010967
Copper Creek2008Stringer/Multi-beam or Girder66 ft169Good
S 435 over Smith Creek
No. S00435004+02351
4M SW Augusta1958Stringer/Multi-beam or Girder76 ft137Fair
S 435 over Elk Creek
No. S00435006+09751
6M SW Augusta1958Stringer/Multi-beam or Girder39 ft137Fair
Lt Prickly Pear RD over Ltl Prickly Pear CR 097
No. L25534007+05001
6M W Canyon Creek1952Stringer/Multi-beam or Girder27 ft122Good
Dearborn Canyon RD over Dearborn River 048
No. L25420002+01001
1M SW Bean Lake1982Stringer/Multi-beam or Girder52 ft118Good
Dearborn Canyon RD over Falls Creek 049
No. L25420004+04001
2M SW Bean Lake1960Stringer/Multi-beam or Girder52 ft118Fair
Dalton Mtn Road over Blackfot River 095
No. 000000202503423
3M W Lincoln2024Truss - Thru150 ft112Good
Hart LN over Helena Valley Canal 088
No. L25004002+02001
4M NE East Helena1957Stringer/Multi-beam or Girder44 ft111Fair
Rimini RD over Tenmile Creek
No. 000000000008094
3M S Rimini2023Stringer/Multi-beam or Girder42 ft107Good
Rimini RD over Ten Mile Creek 106
No. L25606008+04001
1M S Rimini1962Stringer/Multi-beam or Girder34 ft107Fair
Law Enforcement RD over Prickely Pear Creek
No. 000000202008015
5M NE Helena1940Stringer/Multi-beam or Girder52 ft100Fair
Elk Creek RD over Elk Creek 044
No. 000000202103412
12M SE Augusta2020Stringer/Multi-beam or Girder55 ft100Good
Elk Creek RD over Elk Creek 045
No. 000000202103413
13M SW Augusta2020Stringer/Multi-beam or Girder55 ft100Good
Elk Creek RD over Elk Creek 046
No. 000000202103414
13M SW Augusta2021Stringer/Multi-beam or Girder77 ft100Good
Keir LN over Spokane Creek 143
No. L25010001+06871
4M SW Canyon Ferry2004Stringer/Multi-beam or Girder40 ft100Good
Black Bear RD over Trout Creek 141
No. L25030000+01001
York2000Channel Beam32 ft100Good
Beaver Creek RD over Beaver Creek 142
No. L25116002+02001
2M W Nelson2001Channel Beam52 ft100Good
Lyons Creek RD over Little Prickly Pear 005
No. L25233000+01001
5M S Wolf Creek2001Tee Beam65 ft100Good
Lyons Creek RD over Lyons Creek 157
No. L25233000+03001
5M S Wolf Creek1990Culvert24 ft100Good
Lovers Lane over Elk Creek 041
No. L25309000+05001
S Augusta1914Truss - Thru92 ft100Poor
Augusta-Clemons RD over Elk Creek 029
No. L25316000+05001
2M SW Augusta1915Truss - Thru51 ft100Fair
Birdtail RD over Flat Creek 036
No. L25320003+09001
8M SE Bowmans1901Truss - Thru61 ft100Poor
Beaver Creek RD over Keep Cool Creek 094
No. L25417000+03001
1M W Lincoln1957Stringer/Multi-beam or Girder24 ft100Fair
Barr Creek RD over Willow Creek 026
No. L25421002+09001
8M NW Augusta1991Slab60 ft100Good
Barr Creek RD over N Fork Willow Creek 125
No. L25421004+00001
9M NW Augusta1991Tee Beam38 ft100Good
Elk Creek RD over Elk Creek 043
No. L25422000+03001
10M SW Augusta2010Tee Beam57 ft100Good
Smith Creek RD over Smith Creek 023
No. L25444004+00001
8M SW Augusta2002Tee Beam84 ft100Good
Marsh Creek RD over Ltl Prickly Pear CR 096
No. L25532008+05001
5M W Canyon Creek1976Stringer/Multi-beam or Girder29 ft100Good
Lost Horse CR RD over Deadman Creek 098
No. L25536001+05001
7M SW Canyon Creek1990Stringer/Multi-beam or Girder28 ft100Good
Deer Meadow DR over Ten Mile Creek 130
No. L25615000+01001
10M SW Helena2006Stringer/Multi-beam or Girder30 ft100Fair
County Road 811 over Ten Mile Creek 131
No. L25811000+01001
W Edge of Helena2005Stringer/Multi-beam or Girder27 ft100Fair
Mcdonald LN over Ltl Prickly Pear Crk 151
No. L25995000+02001
3M W Canyon Creek1990Stringer/Multi-beam or Girder39 ft100Fair
Spring Creek LN over Spring Creek 152
No. L25996000+01001
Lincoln2010Stringer/Multi-beam or Girder35 ft100Good
S Howie ST over Reeders Alley 001
No. M25058000+00101
Helena-Reeders Alley1881Stringer/Multi-beam or Girder93 ft100Fair
County Road 290 over Helena Valley Canal 085
No. M25058000+00201
N of Helena Airport1958Stringer/Multi-beam or Girder40 ft100Good
Woodbridge Drive over Drainage 002
No. M25058000+00301
Helena-Woodbridge Drive1975Arch - Deck91 ft100Fair
Valley Forge RD over Ten Mile Creek 126
No. M25058000+00801
Helena-Valley Forge RD1988Stringer/Multi-beam or Girder47 ft100Good
Fdr #8983 over N Fk Sun River
No. 011501000000015
Hannan Gulch1927Truss - Thru273 ft99Poor
L25500 over Poorman Creek
No. 000000000008099
7M S Lincoln2024Tee Beam59 ft89Good
Stemple Pass Road over Poorman Creek
No. 000000202108036
6M S Lincoln2021Stringer/Multi-beam or Girder50 ft89Good
Stemple Pass RD over Poorman Creek 140
No. L25500003+07001
4M S Lincoln2007Tee Beam66 ft89Good
Stemple Pass RD over Poorman Creek 147
No. L25500008+05001
9M S Lincoln2004Tee Beam42 ft89Good
Stemple Pass RD over Poorman Creek 148
No. L25500010+00001
10M S Lincoln2004Tee Beam36 ft89Good
Banner Creek RD over Ruby Creek
No. 011202000001005
Ten Mile1964Stringer/Multi-beam or Girder28 ft60Fair
Beaver Creek Road over Beaver Creek
No. 011202000003129
Beaver Creek 32004Stringer/Multi-beam or Girder45 ft50Fair
No Data Entered over Beaver Creek
No. 011202000020830
No Data Entered2019Girder and Floorbeam System45 ft50Good
No Data Entered over Beaver Creek
No. 011202000020831
No Data Entered2018Girder and Floorbeam System39 ft50Good
NFSR 9229 over Wood Creek
No. 011501000000019
Wood Creek1967Stringer/Multi-beam or Girder29 ft50Fair
NFSR 235 over Ford Cr.
No. 011501000000063
Ford CR1983Stringer/Multi-beam or Girder50 ft50Good
Hogum Ck Road over Hogum Creek
No. 011204000000030
Hogum1962Stringer/Multi-beam or Girder26 ft46Fair
Hogum Ck Road over Blackfoot River
No. 011204000000041
Hogum-Blackfoot1965Stringer/Multi-beam or Girder47 ft46Fair
Augusta RD over Middle Fork Dearborn 010
No. L25300000+08001
25M S Augusta2014Tee Beam100 ft46Good
Sawmill Creek Road over Sawmill Creek
No. 011202000013095
Lincoln Ranger District2013Slab29 ft40Good
NFSR 330-A1 over Snowbank Creek
No. 011204000018467
Copper Creek Area2013Stringer/Multi-beam or Girder47 ft40Good
NFSR 235 over Fairview Cr.
No. 011501000000064
Fairview Cr. No. 11977Stringer/Multi-beam or Girder70 ft40Good
Fdr 235 over Benchmark Cr.
No. 011501000000065
Benchmark Cr.1993Stringer/Multi-beam or Girder56 ft40Fair
Pishkun Road over Sun River
No. MTA-SR-001
19 Miles NW of Augusta1916Truss - Thru250 ft40Poor
Chevallier DR over Little Prickly Pear 110
No. L25005004+01001
5M SW Sieben Int2012Tee Beam57 ft37Good
Chevallier DR over Little Prickly Pear 109
No. L25005007+00001
7M SW Sieben Int1905Truss - Thru101 ft37Fair
Flat Creek RD over Flat Creek 134
No. L25301004+00001
8M NE Bean Lake2006Stringer/Multi-beam or Girder36 ft37Good
Flat Creek RD over Flat Creek 017
No. L25301007+02001
5M NE Bean Lake2007Stringer/Multi-beam or Girder36 ft37Good
Sucker Kp Kl Road over Copper Creek
No. 011204000000039
Keep Kool-Copper1962Stringer/Multi-beam or Girder32 ft34Fair
Elk Creek RD over Elk Creek 021
No. L25416002+05001
9M SW Augusta2002Tee Beam59 ft34Good
Augusta RD over Dearborn River 011
No. L25300009+00001
18M S Augusta1896Truss - Thru251 ft31Fair
NFSR 495 over Telegraph Creek
No. 011202000000045
Telegraph-Telegraph1950Stringer/Multi-beam or Girder24 ft30Poor
Minnehaha Road over Ten Mile Creek
No. 011202000001001
Intersect Minnehaha&tenmi1955Stringer/Multi-beam or Girder23 ft30Fair
NFSR 233 over Beaver Creek
No. 011501000000062
25.4 MI NW of Augusta1978Stringer/Multi-beam or Girder89 ft26Good
NFSR 233 over W Fk Beaver Creek
No. 011501000000069
Beaver Creek No. 21978Slab43 ft26Good
NFSR 233 over W Fk Beaver Creek
No. 011501000000070
Beaver Creek No. 31978Slab45 ft26Good
NFSR 233 over M Fk Beaver Creek
No. 011501000000071
Beaver Creek No. 41978Slab45 ft26Good
NFSR 233 over Beaver Creek
No. 011501000000072
Beaver Creek No. 51978Stringer/Multi-beam or Girder81 ft26Fair
NFSR 233 over Beaver Creek
No. 011501000000073
Beaver Creek No. 61978Stringer/Multi-beam or Girder81 ft26Good
NFSR 233 over Willow Creek
No. 011501000000079
Little Willow Creek2004Stringer/Multi-beam or Girder56 ft26Good
NFSR 330 over Landers Fork
No. 011204000000005
Landers Fork1977Stringer/Multi-beam or Girder93 ft21Fair
Cpgd Access over Ten Mile Creek
No. 011202000000019
Moose CR Camp Gd.1957Stringer/Multi-beam or Girder24 ft20Poor
Fields Glch Road over Poorman Creek
No. 011204000000031
Fields Gulch1979Stringer/Multi-beam or Girder24 ft20Fair
Fields Gulch Road over Poorman Creek
No. 011204000013096
Fields Gulch Road2013Slab29 ft20Good

Structure types in Lewis and Clark County

Stringer/Multi-beam or Girder11154.4%
Tee Beam4321.1%
Slab188.8%
Culvert115.4%
Truss - Thru94.4%
Girder and Floorbeam System62.9%
Channel Beam42.0%
Arch - Deck21.0%

Other counties in Montana