I-90 Ebl over Tongue River
FairSheridan County, Wyoming · Montana Line - Sheridan · Structure no. BAZ
- Built
- 1960
- 65 years old, rebuilt 2004
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 313 ft
- 3 main spans
- Daily traffic
- 3,900
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 Ebl over Tongue River is a steel continuous stringer/multi-beam or girder carrying I-90 Ebl over Tongue River in Sheridan County, Wyoming. It was built in 1960 and reconstructed in 2004, so it is 65 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 6 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 3,900 vehicles a day, roughly 17% of them trucks, projected to reach 5,460 by 2043. The structure is 313 ft (95.3 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 I-90 Ebl over Tongue River built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2004.
What condition is I-90 Ebl 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 August 2023.
How much traffic does I-90 Ebl over Tongue River carry?
About 3,900 vehicles per day (2024 count), of which roughly 17% are trucks.
How long is I-90 Ebl over Tongue River?
The structure is 313 ft (95.3 m) long with a longest span of 119 ft (36.3 m) and a deck 51 ft wide.
Who owns I-90 Ebl over Tongue River?
It is owned by the State Highway Agency.