13th ST W over Bbwa Canal 181
FairYellowstone County, Montana · BILLINGS-13th ST W · Structure no. M56010000+00301
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected December 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 43 ft
- 1 main span
- Daily traffic
- 5,400
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
13th ST W over Bbwa Canal 181 is a prestressed concrete tee beam carrying 13th ST W over Bbwa Canal 181 in Yellowstone County, Montana. It was built in 1970, so it is 55 years old, older 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 5,400 vehicles a day, roughly 3% of them trucks, projected to reach 5,751 by 2043. The structure is 43 ft (13.1 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 13th ST W over Bbwa Canal 181 built?
It was built in 1970, making it 55 years old in 2025.
What condition is 13th ST W over Bbwa Canal 181 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 December 2024.
How much traffic does 13th ST W over Bbwa Canal 181 carry?
About 5,400 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is 13th ST W over Bbwa Canal 181?
The structure is 43 ft (13.1 m) long with a longest span of 42 ft (12.8 m) and a deck 60 ft wide.
Who owns 13th ST W over Bbwa Canal 181?
It is owned by the County Highway Agency.