Bh Cnty RD L42C over Big Horn River
FairBig Horn County, Wyoming · Basin · Structure no. EJT
- Built
- 1958
- 67 years old
- Condition
- Fair
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 348 ft
- 4 main spans
- Daily traffic
- 210
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Bh Cnty RD L42C over Big Horn River is a steel continuous stringer/multi-beam or girder carrying Bh Cnty RD L42C over Big Horn River in Big Horn County, Wyoming. It was built in 1958, so it is 67 years old, older than the Wyoming average of 48.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 210 vehicles a day, roughly 24% of them trucks, projected to reach 294 by 2043. The structure is 348 ft (106.1 m) long and 23 ft wide. If it were closed, the detour would be 16.2 mi (26 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Bh Cnty RD L42C over Big Horn River built?
It was built in 1958, making it 67 years old in 2025.
What condition is Bh Cnty RD L42C over Big Horn River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.
How much traffic does Bh Cnty RD L42C over Big Horn River carry?
About 210 vehicles per day (2024 count), of which roughly 24% are trucks.
How long is Bh Cnty RD L42C over Big Horn River?
The structure is 348 ft (106.1 m) long with a longest span of 94 ft (28.7 m) and a deck 23 ft wide.
Who owns Bh Cnty RD L42C over Big Horn River?
It is owned by the County Highway Agency.