Rapelje RD over Sep Rapelje-I 90
FairStillwater County, Montana · 1M N Columbus · Structure no. S00306002+02091
- Built
- 1971
- 54 years old, rebuilt 1983
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 493 ft
- 6 main spans
- Daily traffic
- 453
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Rapelje RD over Sep Rapelje-I 90 is a prestressed concrete stringer/multi-beam or girder carrying Rapelje RD over Sep Rapelje-I 90 in Stillwater County, Montana. It was built in 1971 and reconstructed in 1983, so it is 54 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 453 vehicles a day, roughly 6% of them trucks, projected to reach 476 by 2043. The structure is 493 ft (150.2 m) long and 34 ft wide. If it were closed, the detour would be 23 mi (37 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Rapelje RD over Sep Rapelje-I 90 built?
It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1983.
What condition is Rapelje RD over Sep Rapelje-I 90 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 April 2024.
How much traffic does Rapelje RD over Sep Rapelje-I 90 carry?
About 453 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is Rapelje RD over Sep Rapelje-I 90?
The structure is 493 ft (150.2 m) long with a longest span of 102 ft (31.1 m) and a deck 34 ft wide.
Who owns Rapelje RD over Sep Rapelje-I 90?
It is owned by the State Highway Agency.