27th Ave W over Big Ditch 031
GoodYellowstone County, Montana · 3M W Laurel · Structure no. L56548002+09001
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected November 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 45 ft
- 1 main span
- Daily traffic
- 594
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
27th Ave W over Big Ditch 031 is a prestressed concrete tee beam carrying 27th Ave W over Big Ditch 031 in Yellowstone County, Montana. It was built in 1988, so it is 37 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 594 vehicles a day, roughly 3% of them trucks, projected to reach 627 by 2043. The structure is 45 ft (13.7 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 27th Ave W over Big Ditch 031 built?
It was built in 1988, making it 37 years old in 2025.
What condition is 27th Ave W over Big Ditch 031 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 November 2024.
How much traffic does 27th Ave W over Big Ditch 031 carry?
About 594 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is 27th Ave W over Big Ditch 031?
The structure is 45 ft (13.7 m) long with a longest span of 39 ft (11.9 m) and a deck 30 ft wide.
Who owns 27th Ave W over Big Ditch 031?
It is owned by the County Highway Agency.