US Bridges

West River Road over Allegany River

Good

Cattaraugus County, New York · 0.6 MI SE of Portville · Structure no. 000000003323050

Built
1984
41 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
204 ft
2 main spans
Daily traffic
369
2021 count
Owner
County
County Highway Agency

About this bridge

West River Road over Allegany River is a prestressed concrete continuous box beam or girders - multiple carrying West River Road over Allegany River in Cattaraugus County, New York. It was built in 1984, so it is 41 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 369 vehicles a day, roughly 4% of them trucks, projected to reach 517 by 2041. The structure is 204 ft (62.2 m) long and 29 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

CarriesWest River Road
CrossesAllegany River
Location0.6 MI SE of Portville
Coordinates42.01798, -78.34183
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.1 US tons
Inventory rating28 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length204 ft (62.2 m)
Longest span100 ft (30.4 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic369 (2021)
Projected traffic517 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was West River Road over Allegany River built?

It was built in 1984, making it 41 years old in 2025.

What condition is West River Road over Allegany 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 West River Road over Allegany River carry?

About 369 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is West River Road over Allegany River?

The structure is 204 ft (62.2 m) long with a longest span of 100 ft (30.4 m) and a deck 29 ft wide.

Who owns West River Road over Allegany River?

It is owned by the County Highway Agency.