IRR BIA RTE 91 over Blackfoot River
GoodBingham County, Idaho · 5 KM SW of Blackfoot · Structure no. 00000000000P415
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected June 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 106 ft
- 1 main span
- Daily traffic
- 85
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 91 over Blackfoot River is a prestressed concrete slab carrying IRR BIA RTE 91 over Blackfoot River in Bingham County, Idaho. It was built in 2015, so it is 10 years old, younger than the Idaho average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 85 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 106 ft (32.3 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 91 over Blackfoot River built?
It was built in 2015, making it 10 years old in 2025.
What condition is IRR BIA RTE 91 over Blackfoot River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.
How much traffic does IRR BIA RTE 91 over Blackfoot River carry?
About 85 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is IRR BIA RTE 91 over Blackfoot River?
The structure is 106 ft (32.3 m) long with a longest span of 101 ft (30.8 m) and a deck 33 ft wide.
Who owns IRR BIA RTE 91 over Blackfoot River?
It is owned by the Bureau of Indian Affairs.