IRR BIA Route 8 over Peoples Creek
PoorPhillips County, Montana · 40 KM SE Ft. Belknap Agcy · Structure no. 00000000000C506
- Built
- 1976
- 49 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 171 ft
- 3 main spans
- Daily traffic
- 200
- 2024 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
IRR BIA Route 8 over Peoples Creek is a prestressed concrete stringer/multi-beam or girder carrying IRR BIA Route 8 over Peoples Creek in Phillips County, Montana. It was built in 1976, so it is 49 years old, older than the Montana average of 47 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 234 by 2044. The structure is 171 ft (52.1 m) long and 34 ft wide. If it were closed, the detour would be 34.8 mi (56 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR BIA Route 8 over Peoples Creek built?
It was built in 1976, making it 49 years old in 2025.
What condition is IRR BIA Route 8 over Peoples 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 October 2024.
How much traffic does IRR BIA Route 8 over Peoples Creek carry?
About 200 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is IRR BIA Route 8 over Peoples Creek?
The structure is 171 ft (52.1 m) long with a longest span of 75 ft (22.9 m) and a deck 34 ft wide.
Who owns IRR BIA Route 8 over Peoples Creek?
It is owned by the Bureau of Indian Affairs.