US Bridges

Cowens Corners RD over Conewango Dredge

Good

Cattaraugus County, New York · 1.2 MI SE of Conewango · Structure no. 000000003320900

Built
1983
42 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
110 ft
2 main spans
Daily traffic
299
2019 count
Owner
County
County Highway Agency

About this bridge

Cowens Corners RD over Conewango Dredge is a prestressed concrete box beam or girders - multiple carrying Cowens Corners RD over Conewango Dredge in Cattaraugus County, New York. It was built in 1983, so it is 42 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 299 vehicles a day, roughly 6% of them trucks, projected to reach 419 by 2039. The structure is 110 ft (33.5 m) long and 28 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesCowens Corners RD
CrossesConewango Dredge
Location1.2 MI SE of Conewango
Coordinates42.22174, -79.03605
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating83 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span51 ft (15.5 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic299 (2019)
Projected traffic419 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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$1.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cowens Corners RD over Conewango Dredge built?

It was built in 1983, making it 42 years old in 2025.

What condition is Cowens Corners RD over Conewango Dredge 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 August 2023.

How much traffic does Cowens Corners RD over Conewango Dredge carry?

About 299 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Cowens Corners RD over Conewango Dredge?

The structure is 110 ft (33.5 m) long with a longest span of 51 ft (15.5 m) and a deck 28 ft wide.

Who owns Cowens Corners RD over Conewango Dredge?

It is owned by the County Highway Agency.