25th ST N over Abandoned Railroad
FairCascade County, Montana · Great FALLS-25th ST N · Structure no. U05217001+05401
- Built
- 1914
- 111 years old
- Condition
- Fair
- inspected May 2023
- Type
- Arch - Deck
- Concrete
- Length
- 72 ft
- 1 main span
- Daily traffic
- 4,262
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
25th ST N over Abandoned Railroad is a concrete arch - deck carrying 25th ST N over Abandoned Railroad in Cascade County, Montana. It was built in 1914, so it is 111 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 4,262 vehicles a day, roughly 4% of them trucks, projected to reach 4,475 by 2043. The structure is 72 ft (21.8 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| 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 25th ST N over Abandoned Railroad built?
It was built in 1914, making it 111 years old in 2025.
What condition is 25th ST N over Abandoned Railroad 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 25th ST N over Abandoned Railroad carry?
About 4,262 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is 25th ST N over Abandoned Railroad?
The structure is 72 ft (21.8 m) long with a longest span of 72 ft (21.8 m) and a deck 43 ft wide.
Who owns 25th ST N over Abandoned Railroad?
It is owned by the City or Municipal Highway Agency.