Lemhi Rd;old HWY28 over Lemhi River
FairLemhi County, Idaho · 0.1 S. 0.1 E. Lemhi · Structure no. 000000000032740
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected July 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 50
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Lemhi Rd;old HWY28 over Lemhi River is a prestressed concrete tee beam carrying Lemhi Rd;old HWY28 over Lemhi River in Lemhi County, Idaho. It was built in 1965, so it is 60 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 75 by 2039. The structure is 26 ft (7.9 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 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 Lemhi Rd;old HWY28 over Lemhi River built?
It was built in 1965, making it 60 years old in 2025.
What condition is Lemhi Rd;old HWY28 over Lemhi 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 Lemhi Rd;old HWY28 over Lemhi River carry?
About 50 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Lemhi Rd;old HWY28 over Lemhi River?
The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 20 ft wide.
Who owns Lemhi Rd;old HWY28 over Lemhi River?
It is owned by the County Highway Agency.