Stewart ST over Sep I 90 003
FairDeer Lodge County, Montana · 5M S Warm Springs · Structure no. L12027000+01001
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 246 ft
- 5 main spans
- Daily traffic
- 111
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Stewart ST over Sep I 90 003 is a prestressed concrete stringer/multi-beam or girder carrying Stewart ST over Sep I 90 003 in Deer Lodge County, Montana. It was built in 1964, so it is 61 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 111 vehicles a day, roughly 3% of them trucks, projected to reach 119 by 2043. The structure is 246 ft (75 m) long and 29 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Stewart ST over Sep I 90 003 built?
It was built in 1964, making it 61 years old in 2025.
What condition is Stewart ST over Sep I 90 003 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 January 2025.
How much traffic does Stewart ST over Sep I 90 003 carry?
About 111 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Stewart ST over Sep I 90 003?
The structure is 246 ft (75 m) long with a longest span of 56 ft (17.2 m) and a deck 29 ft wide.
Who owns Stewart ST over Sep I 90 003?
It is owned by the State Highway Agency.