Smelter Ave over 15th ST NE
FairCascade County, Montana · Black Eagle-Smelter Ave · Structure no. U05204000+03801
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected June 2024
- Type
- Tee Beam
- Concrete
- Length
- 109 ft
- 3 main spans
- Daily traffic
- 4,807
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Smelter Ave over 15th ST NE is a concrete tee beam carrying Smelter Ave over 15th ST NE in Cascade County, Montana. It was built in 1963, so it is 62 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 4,807 vehicles a day, roughly 1% of them trucks, projected to reach 5,047 by 2043. The structure is 109 ft (33.2 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Smelter Ave over 15th ST NE built?
It was built in 1963, making it 62 years old in 2025.
What condition is Smelter Ave over 15th ST NE 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 June 2024.
How much traffic does Smelter Ave over 15th ST NE carry?
About 4,807 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Smelter Ave over 15th ST NE?
The structure is 109 ft (33.2 m) long with a longest span of 40 ft (12.2 m) and a deck 50 ft wide.
Who owns Smelter Ave over 15th ST NE?
It is owned by the State Highway Agency.