Frontage Road 315 over Drainage 086
GoodDawson County, Montana · 6M E Glendive · Structure no. 000000202002651
- Built
- 2019
- 6 years old
- Condition
- Good
- inspected July 2024
- Type
- Culvert
- Prestressed Concrete
- Length
- 42 ft
- 2 main spans
- Daily traffic
- 115
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Frontage Road 315 over Drainage 086 is a prestressed concrete culvert carrying Frontage Road 315 over Drainage 086 in Dawson County, Montana. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 115 vehicles a day, roughly 6% of them trucks, projected to reach 121 by 2043. The structure is 42 ft (12.8 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Frontage Road 315 over Drainage 086 built?
It was built in 2019, making it 6 years old in 2025.
What condition is Frontage Road 315 over Drainage 086 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 July 2024.
How much traffic does Frontage Road 315 over Drainage 086 carry?
About 115 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is Frontage Road 315 over Drainage 086?
The structure is 42 ft (12.8 m) long with a longest span of 15 ft (4.6 m).
Who owns Frontage Road 315 over Drainage 086?
It is owned by the State Highway Agency.