Railroad Ave over Int Alberton-I 90
GoodMineral County, Montana · Alberton-Railroad Ave · Structure no. S00507000+00001
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 222 ft
- 4 main spans
- Daily traffic
- 661
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Railroad Ave over Int Alberton-I 90 is a prestressed concrete stringer/multi-beam or girder carrying Railroad Ave over Int Alberton-I 90 in Mineral 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 661 vehicles a day, roughly 1% of them trucks, projected to reach 694 by 2043. The structure is 222 ft (67.6 m) long and 31 ft wide.
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 Railroad Ave over Int Alberton-I 90 built?
It was built in 1963, making it 62 years old in 2025.
What condition is Railroad Ave over Int Alberton-I 90 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.
How much traffic does Railroad Ave over Int Alberton-I 90 carry?
About 661 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Railroad Ave over Int Alberton-I 90?
The structure is 222 ft (67.6 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.
Who owns Railroad Ave over Int Alberton-I 90?
It is owned by the State Highway Agency.