Wyoming bridges
Wyoming reports 3,138 bridges and culverts across 23 counties. 224 (7.1%) are rated in poor condition, and 405 are posted with load limits or closed. The oldest structure still in the inventory dates from 1908.
Find a bridge in Wyoming
Type at least two characters, or pick a condition or type, to search every bridge in the state.
Counties
Circle size reflects the number of bridges- Albany County 125
- Big Horn County 91
- Campbell County 152
- Carbon County 206
- Converse County 136
- Crook County 176
- Fremont County 176
- Goshen County 106
- Hot Springs County 39
- Johnson County 204
- Laramie County 255
- Lincoln County 129
- Natrona County 135
- Niobrara County 34
- Park County 187
- Platte County 159
- Sheridan County 170
- Sublette County 110
- Sweetwater County 191
- Teton County 122
- Uinta County 132
- Washakie County 60
- Weston County 43
Condition
Good29%(895)
Fair64%(2,019)
Poor7%(224)
Counties with the highest share of poor bridges
- Converse County14.0% of 136
- Teton County12.3% of 122
- Uinta County12.1% of 132
- Weston County11.6% of 43
- Laramie County11.0% of 255
Structure types
| Structure type | Bridges | Share |
|---|---|---|
| Stringer/Multi-beam or Girder | 1,467 | 46.7% |
| Culvert | 511 | 16.3% |
| Tee Beam | 479 | 15.3% |
| Slab | 443 | 14.1% |
| Frame | 52 | 1.7% |
| Channel Beam | 47 | 1.5% |
| Box Beam or Girders - Multiple | 41 | 1.3% |
| Truss - Thru | 37 | 1.2% |
| Girder and Floorbeam System | 29 | 0.9% |
| Other | 20 | 0.6% |
| Arch - Deck | 5 | 0.2% |
| Box Beam or Girders - Single or Spread | 4 | 0.1% |
| Truss - Deck | 2 | 0.1% |
| Mixed Types | 1 | 0.0% |
When Wyoming's bridges were built
Busiest
- US 89 over Flat CreekFairTeton County · 33,675 vehicles/day
- Dell Range Blvd over Dry CreekFairLaramie County · 32,764 vehicles/day
- Wyo 212 over Henderson Drainage DitchGoodLaramie County · 28,835 vehicles/day
- Dell Range Blvd over Dry CreekGoodLaramie County · 27,485 vehicles/day
- Wyo 220 over Garden CreekFairNatrona County · 26,351 vehicles/day
Longest
- I-180 Nbl over UPRRPoorLaramie County · 1,829 ft
- I-180 Sbl over UPRRFairLaramie County · 1,821 ft
- East Entrance Road over Pelican CreekGoodPark County · 1,483 ft
- S 6th Street over UPRRPoorCarbon County · 1,469 ft
- Wyo 530 Sbl over UPRR / I-80 BusPoorSweetwater County · 1,173 ft
Oldest
- US 30 Service Road over Smiths Fork RiverPoorLincoln County · Built 1908
- Grand Teton Np RD over Snake RiverFairTeton County · Built 1911
- County Road 60 over Ft Laramie CanalFairGoshen County · Built 1913
- SH Cnty RD 2 over North Piney CreekFairSheridan County · Built 1914
- Cb Cnty RD 680 over Encampment RiverPoorCarbon County · Built 1915
Newest
- I-25 Nbl and Sbl over Center StreetGoodNatrona County · Built 2024
- I-25 Nbl and Sbl over North Platte RiverGoodNatrona County · Built 2024
- South Entrance Roa over Lewis RiverGoodTeton County · Built 2024
- W F Street over North Platte RiverGoodNatrona County · Built 2024
- Te Cnty RD 11 over Snake RiverGoodTeton County · Built 2024
Who owns Wyoming's bridges
| State | 1,975 | 62.9% |
| County | 698 | 22.2% |
| Federal | 327 | 10.4% |
| City | 98 | 3.1% |
| Town / Township | 35 | 1.1% |
| Railroad | 4 | 0.1% |
| Tribal | 1 | 0.0% |
More Wyoming facts
Total bridge length69 miles
Total deck area14,463,517 sq ft
Culverts counted as bridges511 (16%)
On the National Highway System1,329
Posted with load limits395
Closed to traffic10
Listed or eligible for the National Register18
Average daily traffic per bridge2,496 vehicles
Newest structure2024