S 80 over Drainage
GoodChouteau County, Montana · 11M SE Fort Benton · Structure no. P00080013+03161
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected August 2023
- Type
- Culvert
- Concrete
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 363
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 80 over Drainage is a concrete culvert carrying S 80 over Drainage in Chouteau County, Montana. It was built in 1995, so it is 30 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 363 vehicles a day, roughly 21% of them trucks, projected to reach 381 by 2043. The structure is 26 ft (7.9 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 | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S 80 over Drainage built?
It was built in 1995, making it 30 years old in 2025.
What condition is S 80 over Drainage 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 August 2023.
How much traffic does S 80 over Drainage carry?
About 363 vehicles per day (2023 count), of which roughly 21% are trucks.
How long is S 80 over Drainage?
The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).
Who owns S 80 over Drainage?
It is owned by the State Highway Agency.