US Bridges

Hill Street over Thatcher Brook

Fair

Cattaraugus County, New York · At Gowanda · Structure no. 000000003322990

Built
1968
57 years old, rebuilt 1996
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
498
2017 count
Owner
County
County Highway Agency

About this bridge

Hill Street over Thatcher Brook is a steel stringer/multi-beam or girder carrying Hill Street over Thatcher Brook in Cattaraugus County, New York. It was built in 1968 and reconstructed in 1996, so it is 57 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 498 vehicles a day, roughly 3% of them trucks, projected to reach 697 by 2037. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHill Street
CrossesThatcher Brook
LocationAt Gowanda
Coordinates42.4557, -78.93972
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadH 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic498 (2017)
Projected traffic697 by 2037
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$2.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hill Street over Thatcher Brook built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1996.

What condition is Hill Street over Thatcher Brook 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 August 2023.

How much traffic does Hill Street over Thatcher Brook carry?

About 498 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Hill Street over Thatcher Brook?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns Hill Street over Thatcher Brook?

It is owned by the County Highway Agency.