BIA 35 over Sage Creek
GoodHill County, Montana · 3.2 Miles N of Box Elder · Structure no. 00000000000C920
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected October 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 83 ft
- 1 main span
- Daily traffic
- 25
- 2024 count
- Owner
- Federal
- Bureau of Indian Affairs
About this bridge
BIA 35 over Sage Creek is a prestressed concrete tee beam carrying BIA 35 over Sage Creek in Hill County, Montana. It was built in 2010, so it is 15 years old, younger than the Montana average of 47 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 25 vehicles a day, roughly 20% of them trucks, projected to reach 30 by 2044. The structure is 83 ft (25.3 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was BIA 35 over Sage Creek built?
It was built in 2010, making it 15 years old in 2025.
What condition is BIA 35 over Sage Creek 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 October 2024.
How much traffic does BIA 35 over Sage Creek carry?
About 25 vehicles per day (2024 count), of which roughly 20% are trucks.
How long is BIA 35 over Sage Creek?
The structure is 83 ft (25.3 m) long with a longest span of 80 ft (24.4 m) and a deck 32 ft wide.
Who owns BIA 35 over Sage Creek?
It is owned by the Bureau of Indian Affairs.