Palmer ST over Int Ramsey I 90 013
FairSilver Bow County, Montana · 3M W Rocker · Structure no. L47193000+04001
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 264 ft
- 4 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- State
- State Highway Agency
About this bridge
Palmer ST over Int Ramsey I 90 013 is a prestressed concrete stringer/multi-beam or girder carrying Palmer ST over Int Ramsey I 90 013 in Silver Bow County, Montana. It was built in 1967, so it is 58 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 6 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 264 ft (80.6 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Palmer ST over Int Ramsey I 90 013 built?
It was built in 1967, making it 58 years old in 2025.
What condition is Palmer ST over Int Ramsey I 90 013 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 May 2023.
How much traffic does Palmer ST over Int Ramsey I 90 013 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Palmer ST over Int Ramsey I 90 013?
The structure is 264 ft (80.6 m) long with a longest span of 76 ft (23.1 m) and a deck 34 ft wide.
Who owns Palmer ST over Int Ramsey I 90 013?
It is owned by the State Highway Agency.