IRR BIA RTE 78 over Little Wind River
GoodFremont County, Wyoming · 2 KM SW of Arapahoe Schoo · Structure no. 00000000000C840
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 144 ft
- 3 main spans
- Daily traffic
- 1,500
- 2022 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 78 over Little Wind River is a steel continuous stringer/multi-beam or girder carrying IRR BIA RTE 78 over Little Wind River in Fremont County, Wyoming. It was built in 2010, so it is 15 years old, younger than the Wyoming average of 48.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,500 vehicles a day, roughly 5% of them trucks, projected to reach 1,750 by 2044. The structure is 144 ft (43.9 m) long and 39 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| 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 IRR BIA RTE 78 over Little Wind River built?
It was built in 2010, making it 15 years old in 2025.
What condition is IRR BIA RTE 78 over Little Wind River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.
How much traffic does IRR BIA RTE 78 over Little Wind River carry?
About 1,500 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is IRR BIA RTE 78 over Little Wind River?
The structure is 144 ft (43.9 m) long with a longest span of 57 ft (17.3 m) and a deck 39 ft wide.
Who owns IRR BIA RTE 78 over Little Wind River?
It is owned by the Bureau of Indian Affairs.