Steam Valley Road over Allegheny River
GoodCattaraugus County, New York · 1.2 MI SE of Weston Mills · Structure no. 000000003323040
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 328 ft
- 4 main spans
- Daily traffic
- 745
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Steam Valley Road over Allegheny River is a prestressed concrete continuous box beam or girders - multiple carrying Steam Valley Road over Allegheny River in Cattaraugus County, New York. It was built in 1991, so it is 34 years old, younger than the New York average of 53 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 745 vehicles a day, roughly 4% of them trucks, projected to reach 1,043 by 2040. The structure is 328 ft (100 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 km).
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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Steam Valley Road over Allegheny River built?
It was built in 1991, making it 34 years old in 2025.
What condition is Steam Valley Road over Allegheny River 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 May 2023.
How much traffic does Steam Valley Road over Allegheny River carry?
About 745 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is Steam Valley Road over Allegheny River?
The structure is 328 ft (100 m) long with a longest span of 80 ft (24.4 m) and a deck 30 ft wide.
Who owns Steam Valley Road over Allegheny River?
It is owned by the County Highway Agency.