IRR BIA RTE 11 over Little Hangman Creek
PoorBenewah County, Idaho · 2.4 KM South of Agency · Structure no. 00000000000P507
- Built
- 1977
- 48 years old
- Condition
- Poor
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 53 ft
- 1 main span
- Daily traffic
- 350
- 2023 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA RTE 11 over Little Hangman Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA RTE 11 over Little Hangman Creek in Benewah County, Idaho. It was built in 1977, so it is 48 years old, older than the Idaho average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 350 vehicles a day, roughly 15% of them trucks, projected to reach 700 by 2043. The structure is 53 ft (16.2 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
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA RTE 11 over Little Hangman Creek built?
It was built in 1977, making it 48 years old in 2025.
What condition is IRR BIA RTE 11 over Little Hangman Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.
How much traffic does IRR BIA RTE 11 over Little Hangman Creek carry?
About 350 vehicles per day (2023 count), of which roughly 15% are trucks.
How long is IRR BIA RTE 11 over Little Hangman Creek?
The structure is 53 ft (16.2 m) long with a longest span of 49 ft (15 m) and a deck 33 ft wide.
Who owns IRR BIA RTE 11 over Little Hangman Creek?
It is owned by the Bureau of Indian Affairs.