2800 N over E.Branch Big Lost River
FairButte County, Idaho · 3.1 N. 2.2 W. Arco · Structure no. 000000000031475
- Built
- 1920
- 105 years old, rebuilt 1991
- Condition
- Fair
- inspected July 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 53 ft
- 1 main span
- Daily traffic
- 40
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
2800 N over E.Branch Big Lost River is a prestressed concrete tee beam carrying 2800 N over E.Branch Big Lost River in Butte County, Idaho. It was built in 1920 and reconstructed in 1991, so it is 105 years old, older than the Idaho average of 45.3 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 40 vehicles a day, roughly 33% of them trucks, projected to reach 60 by 2042. The structure is 53 ft (16.2 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 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 2800 N over E.Branch Big Lost River built?
It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1991.
What condition is 2800 N over E.Branch Big Lost 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 July 2024.
How much traffic does 2800 N over E.Branch Big Lost River carry?
About 40 vehicles per day (2023 count), of which roughly 33% are trucks.
How long is 2800 N over E.Branch Big Lost River?
The structure is 53 ft (16.2 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.
Who owns 2800 N over E.Branch Big Lost River?
It is owned by the County Highway Agency.