Wyo 338 over Tongue River
FairSheridan County, Wyoming · Decker Road · Structure no. FLO
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 270 ft
- 3 main spans
- Daily traffic
- 915
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Wyo 338 over Tongue River is a prestressed concrete stringer/multi-beam or girder carrying Wyo 338 over Tongue River in Sheridan County, Wyoming. It was built in 1989, so it is 36 years old, younger 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 915 vehicles a day, roughly 4% of them trucks, projected to reach 1,281 by 2043. The structure is 270 ft (82.3 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Wyo 338 over Tongue River built?
It was built in 1989, making it 36 years old in 2025.
What condition is Wyo 338 over Tongue 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 June 2024.
How much traffic does Wyo 338 over Tongue River carry?
About 915 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is Wyo 338 over Tongue River?
The structure is 270 ft (82.3 m) long with a longest span of 90 ft (27.4 m) and a deck 43 ft wide.
Who owns Wyo 338 over Tongue River?
It is owned by the State Highway Agency.