US 2 over Drainage
FairBlaine County, Montana · Chinook · Structure no. P00001404+03471
- Built
- 1942
- 83 years old, rebuilt 1981
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 39 ft
- 2 main spans
- Daily traffic
- 2,919
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 2 over Drainage is a wood or timber stringer/multi-beam or girder carrying US 2 over Drainage in Blaine County, Montana. It was built in 1942 and reconstructed in 1981, so it is 83 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 5 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 2,919 vehicles a day, roughly 5% of them trucks, projected to reach 3,065 by 2043. The structure is 39 ft (11.9 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 2 over Drainage built?
It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1981.
What condition is US 2 over Drainage 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 October 2023.
How much traffic does US 2 over Drainage carry?
About 2,919 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is US 2 over Drainage?
The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 35 ft wide.
Who owns US 2 over Drainage?
It is owned by the State Highway Agency.