FSR 15 over North Tongue River
GoodSheridan County, Wyoming · 1.3 MI on FSR 15 · Structure no. 020206000003045
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 47 ft
- 3 main spans
- Daily traffic
- 176
- 1992 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
FSR 15 over North Tongue River is a steel stringer/multi-beam or girder carrying FSR 15 over North Tongue River in Sheridan County, Wyoming. It was built in 1970, so it is 55 years old, older 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 176 vehicles a day, roughly 3% of them trucks, projected to reach 264 by 2045. The structure is 47 ft (14.2 m) long and 26 ft wide. If it were closed, the detour would be 98.2 mi (158 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FSR 15 over North Tongue River built?
It was built in 1970, making it 55 years old in 2025.
What condition is FSR 15 over North Tongue 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 September 2023.
How much traffic does FSR 15 over North Tongue River carry?
About 176 vehicles per day (1992 count), of which roughly 3% are trucks.
How long is FSR 15 over North Tongue River?
The structure is 47 ft (14.2 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.
Who owns FSR 15 over North Tongue River?
It is owned by the U.S. Forest Service.