US 2 over Yaak River
FairLincoln County, Montana · 8M NW Troy · Structure no. P00001006+03521
- Built
- 1934
- 91 years old, rebuilt 1992
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 215 ft
- 3 main spans
- Daily traffic
- 2,093
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 2 over Yaak River is a steel continuous stringer/multi-beam or girder carrying US 2 over Yaak River in Lincoln County, Montana. It was built in 1934 and reconstructed in 1992, so it is 91 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 2,093 vehicles a day, roughly 7% of them trucks, projected to reach 2,198 by 2043. The structure is 215 ft (65.6 m) long and 43 ft wide. If it were closed, the detour would be 65.2 mi (105 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Yaak River built?
It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1992.
What condition is US 2 over Yaak River 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 August 2024.
How much traffic does US 2 over Yaak River carry?
About 2,093 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is US 2 over Yaak River?
The structure is 215 ft (65.6 m) long with a longest span of 81 ft (24.7 m) and a deck 43 ft wide.
Who owns US 2 over Yaak River?
It is owned by the State Highway Agency.