US Bridges

Flannigan Hill over Western Ny & Penn

Good

Cattaraugus County, New York · .1 Mile South of Hinsdale · Structure no. 000000003321890

Built
2003
22 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
331
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Flannigan Hill over Western Ny & Penn is a prestressed concrete box beam or girders - multiple carrying Flannigan Hill over Western Ny & Penn in Cattaraugus County, New York. It was built in 2003, so it is 22 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 331 vehicles a day, roughly 5% of them trucks, projected to reach 463 by 2040. The structure is 48 ft (14.6 m) long and 29 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesFlannigan Hill
CrossesWestern Ny & Penn
Location.1 Mile South of Hinsdale
Coordinates42.16688, -78.38738
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.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating79.1 US tons
Inventory rating47.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length48 ft (14.6 m)
Longest span44 ft (13.4 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic331 (2020)
Projected traffic463 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township 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$680,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Flannigan Hill over Western Ny & Penn built?

It was built in 2003, making it 22 years old in 2025.

What condition is Flannigan Hill over Western Ny & Penn 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 July 2023.

How much traffic does Flannigan Hill over Western Ny & Penn carry?

About 331 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Flannigan Hill over Western Ny & Penn?

The structure is 48 ft (14.6 m) long with a longest span of 44 ft (13.4 m) and a deck 29 ft wide.

Who owns Flannigan Hill over Western Ny & Penn?

It is owned by the Town or Township Highway Agency and maintained by the County Highway Agency.