Old HWY 312 over Bbwa Canal 167
FairYellowstone County, Montana · 5M NE Billings · Structure no. L56788005+08001
- Built
- 2005
- 20 years old
- Condition
- Fair
- inspected November 2024
- Type
- Culvert
- Steel
- Length
- 21 ft
- 1 main span
- Daily traffic
- 11,260
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Old HWY 312 over Bbwa Canal 167 is a steel culvert carrying Old HWY 312 over Bbwa Canal 167 in Yellowstone County, Montana. It was built in 2005, so it is 20 years old, younger than the Montana average of 47 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 11,260 vehicles a day, roughly 1% of them trucks, projected to reach 11,823 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 13 mi (21 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old HWY 312 over Bbwa Canal 167 built?
It was built in 2005, making it 20 years old in 2025.
What condition is Old HWY 312 over Bbwa Canal 167 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 November 2024.
How much traffic does Old HWY 312 over Bbwa Canal 167 carry?
About 11,260 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Old HWY 312 over Bbwa Canal 167?
The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).
Who owns Old HWY 312 over Bbwa Canal 167?
It is owned by the State Highway Agency.