US Bridges

Carbon County, Montana bridges

Carbon County has 81 bridges and culverts in the National Bridge Inventory, the oldest built in 1913. 4 (5%) are rated poor. The most common type is stringer/multi-beam or girder (65%).

Bridges
81
Good
38%
Fair
57%
Poor
5%
4 bridges
Average age
39.5 yrs
Posted or closed
5

Map of bridges in Carbon County

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

Search bridges in Carbon County

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

Condition

5%poor
Good38%(31)
Fair57%(46)
Poor5%(4)

When they were built

<1900: 0 bridges<19001900s: 0 bridges19001910s: 3 bridges319101920s: 0 bridges19201930s: 3 bridges319301940s: 2 bridges219401950s: 8 bridges819501960s: 3 bridges319601970s: 12 bridges1219701980s: 11 bridges1119801990s: 4 bridges419902000s: 12 bridges1220002010s: 17 bridges1720102020s: 6 bridges62020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. US 310 over Sand Creek
    4,907 vehicles/day
    Good
  2. US 310 over Rock Creek
    4,561 vehicles/day
    Fair
  3. US 212 over Rock Creek
    3,817 vehicles/day
    Fair
  4. US 212 over Rock Creek
    2,491 vehicles/day
    Good
  5. US 310 over Bridger Creek
    1,932 vehicles/day
    Fair

Longest

  1. Secondary 78 over East Rosebud Creek
    330 ft
    Good
  2. E Pryor RD over Clarks Fk Yellowstne 056
    325 ft
    Fair
  3. S 72 over Clarks Fork Yellowstone
    295 ft
    Fair
  4. US 310 over Clarks Fk Yellowstone
    289 ft
    Fair
  5. Chance RD over Clarks Fk Yellowstne 004
    289 ft
    Fair

Oldest

  1. Bridger Fromberg R over Bluewater Creek 001
    Built 1913
    Fair
  2. Leslie RD over Elbow Creek 036
    Built 1913
    Fair
  3. Bluewater RD over Bluewater Creek 038
    Built 1915
    Fair
  4. Volney Creek RD over Red Lodge Creek 042
    Built 1930
    Fair
  5. Lower River RD over Bluewater Creek 002
    Built 1932
    Fair

All bridges in Carbon County

Busiest first · showing 1–81 of 81
Bridges in Carbon County
BridgeLocationBuiltTypeLengthDaily trafficCondition
US 310 over Sand Creek
No. P00004029+01101
4M S Fromberg1987Culvert26 ft4,907Good
US 310 over Rock Creek
No. P00004042+04541
Rockvale1934Tee Beam137 ft4,561Fair
US 212 over Rock Creek
No. P00028094+03641
1M W Joliet1974Stringer/Multi-beam or Girder164 ft3,817Fair
US 212 over Rock Creek
No. P00028084+03671
2M N Roberts2001Stringer/Multi-beam or Girder121 ft2,491Good
US 310 over Bridger Creek
No. P00004023+05561
2M S Bridger1971Stringer/Multi-beam or Girder87 ft1,932Fair
US 310 over Clarks Fk Yellowstone
No. P00004023+07461
2M S Bridger1971Stringer/Multi-beam or Girder289 ft1,932Fair
S 72 over Bear Creek
No. P00072010+06611
Belfry2013Stringer/Multi-beam or Girder104 ft1,732Good
S 72 over Clarks Fork Yellowstone
No. P00072011+09041
1M N Belfry2013Stringer/Multi-beam or Girder295 ft1,732Fair
S 72 over Silver Tip Creek
No. P00072013+07141
3M N Belfry2011Stringer/Multi-beam or Girder107 ft1,732Good
S 72 over Clarks Fork Yellowstone
No. P00072014+04031
4M NE Belfry2011Stringer/Multi-beam or Girder280 ft1,732Fair
S 72 over Clarks Fork Yellowstone
No. P00072005+03821
5M S Belfry1970Stringer/Multi-beam or Girder261 ft1,507Good
US 310 over RR
No. P00004012+00631
16M SE Bridger2001Stringer/Multi-beam or Girder243 ft1,504Fair
S 308 over Rock Creek
No. S00308000+01001
Red Lodge2003Tee Beam72 ft1,253Good
US 212 FH 59 over West Fork Rock Creek
No. P00028067+02131
1M S Red Lodge1980Tee Beam99 ft1,142Good
E River ST over Clarks Fk Yellowstne 053
No. L05307000+07001
N Edge Fromberg2008Stringer/Multi-beam or Girder202 ft1,105Good
S Main ST over Rock Creek 046
No. L05101000+01001
Joliet1987Stringer/Multi-beam or Girder139 ft896Fair
US 212 FH 59 over Rock Creek
No. P00028059+04791
8M SW Red Lodge1965Stringer/Multi-beam or Girder136 ft721Good
Secondary 78 over East Rosebud Creek
No. 000000201906183
6 Miles South of Absaroke2019Stringer/Multi-beam or Girder330 ft661Good
S 78 FH 83 over East Rosebud Creek
No. P00078019+08491
Roscoe1959Tee Beam112 ft661Fair
Boyd Cooney Dam RD over Rock Creek 027
No. L05001000+08001
1M W Boyd1973Stringer/Multi-beam or Girder154 ft593Fair
Boyd Cooney Dam RD over Red Lodge Creek 013
No. L05001008+00001
Cooney Reservoir Dam1991Stringer/Multi-beam or Girder39 ft593Fair
Boyd Cooney Dam RD over Cooney Res Spillway 014
No. L05001008+05001
7M W Boyd1982Tee Beam74 ft593Fair
S 78 FH 83 over Red Lodge Creek
No. P00078012+08701
7M SE Roscoe1953Stringer/Multi-beam or Girder27 ft481Poor
Cottonwood RD over Clarks Fk Yellowstne 028
No. L05304005+00001
1M E Silesia1997Stringer/Multi-beam or Girder253 ft416Good
E Pryor RD over Five Mile Creek 057
No. 000000000002386
3M E Edgar2016Stringer/Multi-beam or Girder51 ft413Good
E Pryor RD over Clarks Fk Yellowstne 056
No. L05301001+00001
E Edgar1980Stringer/Multi-beam or Girder325 ft413Fair
19th Street over Rock Creek 059
No. M05093000+00101
Red LODGE-19th ST2012Box Beam or Girders - Multiple62 ft361Good
E Bridger RD over Clarks Fk Yellowstne 055
No. L05315000+06001
E Bridger1980Tee Beam288 ft260Fair
Bridger Fromberg R over Bluewater Creek 001
No. L05302008+06001
2M SE Fromberg1913Tee Beam30 ft175Fair
Joliet Fromberg RD over Elbow Creek 035
No. L05104001+08001
2M SE Joliet1979Tee Beam62 ft111Fair
Red Lodge CR RD over Red Lodge Creek 011
No. 000000000002360
9M NE Roscoe2017Tee Beam81 ft100Good
Homesteader RD over Five Mile Creek 058
No. 000000000002394
1M NE Edgar2018Culvert29 ft100Good
Pryor Mountain Roa over Bridger Creek
No. 000000202002390
3M S Bridger2020Stringer/Multi-beam or Girder64 ft100Good
Chance RD over Clarks Fk Yellowstone
No. 000000202102382
9M S Belfry2024Stringer/Multi-beam or Girder228 ft100Good
Luther Roscoe Road over Butcher Creek
No. 000000202208051
3.5M NW Luther2014Stringer/Multi-beam or Girder40 ft100Fair
East Side Road over Rock Creek
No. 000000202302372
4M S Red Lodge2023Stringer/Multi-beam or Girder78 ft100Good
East Side Road over Rock Creek
No. 000000202302384
7M S Red Lodge2023Stringer/Multi-beam or Girder97 ft100Good
Meeteetse Trail over Rock Creek
No. 000000202308076
1M SE of Red Lodge2023Stringer/Multi-beam or Girder70 ft100Good
Red Lodge CR RD over E Red Lodge Creek 010
No. L05002007+04001
8M W Roberts1970Tee Beam26 ft100Fair
Red Lodge CR RD over Volney Creek 015
No. L05002014+04001
13M SW Boyd1991Stringer/Multi-beam or Girder33 ft100Fair
Red Lodge CR RD over Red Lodge Creek 012
No. L05002016+08001
11M SW Boyd2005Stringer/Multi-beam or Girder50 ft100Fair
Volney Creek RD over Red Lodge Creek 042
No. L05007007+02001
6M SE Roscoe1930Stringer/Multi-beam or Girder25 ft100Fair
Willow Creek RD over Willow Creek 061
No. L05010011+06001
7M SW Roberts1942Stringer/Multi-beam or Girder32 ft100Poor
Lone Tree RD over Red Lodge Creek 045
No. L05018001+07001
1M NW Boyd1972Tee Beam68 ft100Fair
Shane Ridge RD over Red Lodge Creek 044
No. L05023000+01001
2M SW Boyd2013Stringer/Multi-beam or Girder86 ft100Good
Cherry Springs RD over Clear Creek 062
No. L05102000+08921
1M E Roberts1942Tee Beam31 ft100Fair
Two Mile Bridge RD over Rock Creek 024
No. L05103000+02001
2M N Red Lodge1982Tee Beam91 ft100Fair
Montaqua RD over Rock Creek 047
No. L05112000+03001
Montaqua2014Tee Beam133 ft100Good
Carbon Ave over Rock Creek 026
No. L05117000+02001
1M E Roberts1982Tee Beam92 ft100Fair
Fox East Bench RD over Rock Creek 025
No. L05119000+02001
Fox2006Tee Beam98 ft100Fair
Montaqua RD over Elbow Creek 048
No. L05120000+04001
3M SW Edgar2007Stringer/Multi-beam or Girder51 ft100Good
Leslie RD over Elbow Creek 036
No. L05121000+09001
2M SW Edgar1913Stringer/Multi-beam or Girder26 ft100Fair
W Pryor RD over Elbow Creek 037
No. L05127000+07001
3M W Edgar1964Stringer/Multi-beam or Girder32 ft100Poor
Chance RD over Clarks Fk Yellowstne 004
No. L05129000+02001
8M S Belfry2004Stringer/Multi-beam or Girder289 ft100Fair
Dutch LN over Silvertip Creek 060
No. L05302001+03951
1M NE Belfry2006Stringer/Multi-beam or Girder40 ft100Fair
Bluewater RD over Bluewater Creek 038
No. L05313001+03001
3M SE Fromberg1915Stringer/Multi-beam or Girder32 ft100Fair
Lower River RD over Bluewater Creek 002
No. L05314001+01001
1M SE Fromberg1932Stringer/Multi-beam or Girder25 ft100Fair
Tuttle LN over E Rosebud Creek 003
No. L05379000+01001
3.7M NE Roscoe2009Tee Beam78 ft100Good
Golden LN over Clarks Fk Yellowstne 008
No. L05404000+05001
6M SW Bridger1981Tee Beam190 ft100Fair
Riverview LN over Clarks Fk Yellowstne 007
No. L05411000+02001
2M S Belfry1981Stringer/Multi-beam or Girder182 ft100Fair
E Rosebud RD over East Rosebud Creek 017
No. L05503000+01001
Roscoe2010Tee Beam77 ft76Fair
E Rosebud RD over East Rosebud Creek 018
No. L05503003+02001
2M SW Roscoe1993Stringer/Multi-beam or Girder124 ft76Fair
2-LANE Road over West Fork Rock Creek
No. 010802000000182
8 Miles West of Red Lodge1965Stringer/Multi-beam or Girder29 ft50Fair
1-LANE Road over West Fork Rock Creek
No. 010802000000184
11 Miles W. of Red Lodge1956Stringer/Multi-beam or Girder37 ft50Fair
1-LANE Road over Main Fork Rock Creek
No. 010802000000192
No Data Entered1952Stringer/Multi-beam or Girder33 ft50Fair
No Data Entered over West Fork Rock Creek
No. 010802000000201
No Data Entered1972Stringer/Multi-beam or Girder29 ft50Fair
2-LANE Road over Rock Creek
No. 010802000000204
No Data Entered1970Stringer/Multi-beam or Girder51 ft50Poor
1-LANE Road over Lake Fork Rock Creek
No. 010802000000205
No Data Entered1952Stringer/Multi-beam or Girder27 ft50Fair
No Data Entered over Lake Fork Rock Creek
No. 010802000000206
No Data Entered1952Stringer/Multi-beam or Girder29 ft50Fair
1-LANE Road over West Rosebud Creek
No. 010802000000209
9 Miles SW of Roscoe1959Stringer/Multi-beam or Girder41 ft50Fair
No Data Entered over Rock Creek
No. 010802000000211
No Data Entered1954Stringer/Multi-beam or Girder29 ft50Fair
1-LANE Road over South Fork Spring Creek
No. 010802000001074
8 Miles SW of Red Lodge1979Stringer/Multi-beam or Girder28 ft50Fair
No Data Entered over Ef Chicken Creek
No. 011182000035908
No Data Entered2021Slab36 ft50Good
No Data Entered over East Rosebud Creek
No. 010802000003060
No Data Entered2007Tee Beam80 ft40Good
No Data Entered over East Rosebud Creek
No. 010802000003061
No Data Entered2007Tee Beam91 ft40Good
No Data Entered over Willow Creek
No. 010802000012380
No Data Entered2010Stringer/Multi-beam or Girder36 ft40Good
No Data Entered over Rock Creek Tributary
No. 010802000012382
No Data Entered2010Slab23 ft40Good
No Data Entered over West Fork Rock Creek
No. 010802000012394
No Data Entered2010Stringer/Multi-beam or Girder53 ft40Good
Gibson RD over Rock Creek 029
No. L05304001+07001
1M E Rockvale1979Tee Beam139 ft31Fair
01017: Crooked Cre over Gypsum Creek
No. 0000000L2006859
9 MI N of Cowley Wy2010Tee Beam48 ft25Good
Access Road over Layout Creek
No. 1320004P0000000
From N.P. Visitor Center1983Stringer/Multi-beam or Girder24 ft23Fair

Structure types in Carbon County

Stringer/Multi-beam or Girder5365.4%
Tee Beam2328.4%
Culvert22.5%
Slab22.5%
Box Beam or Girders - Multiple11.2%

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