Thomason Lane over Little Weiser River
FairWashington County, Idaho · 0.5 S. 5.8 E. Cambridge · Structure no. 000000000028886
- Built
- 1996
- 29 years old
- Condition
- Fair
- inspected July 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 91 ft
- 1 main span
- Daily traffic
- 60
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Thomason Lane over Little Weiser River is a prestressed concrete tee beam carrying Thomason Lane over Little Weiser River in Washington County, Idaho. It was built in 1996, so it is 29 years old, younger 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 60 vehicles a day, roughly 5% of them trucks, projected to reach 90 by 2039. The structure is 91 ft (27.7 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Thomason Lane over Little Weiser River built?
It was built in 1996, making it 29 years old in 2025.
What condition is Thomason Lane over Little Weiser 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 Thomason Lane over Little Weiser River carry?
About 60 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Thomason Lane over Little Weiser River?
The structure is 91 ft (27.7 m) long with a longest span of 90 ft (27.4 m) and a deck 21 ft wide.
Who owns Thomason Lane over Little Weiser River?
It is owned by the County Highway Agency.