US Bridges

Leon Road over Trb Conewango Crk

Fair

Cattaraugus County, New York · .1 MI NE of New Albion RD · Structure no. 000000003370200

Built
2004
21 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
737
2018 count
Owner
County
County Highway Agency

About this bridge

Leon Road over Trb Conewango Crk is a concrete culvert carrying Leon Road over Trb Conewango Crk in Cattaraugus County, New York. It was built in 2004, so it is 21 years old, younger 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 737 vehicles a day, roughly 7% of them trucks, projected to reach 1,032 by 2038. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesLeon Road
CrossesTrb Conewango Crk
Location.1 MI NE of New Albion RD
RouteCounty Highway 0
CountyCattaraugus County
StateNew York
Coordinates42.28964, -78.88866
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic737 (2018)
Projected traffic1,032 by 2038
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$269,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Leon Road over Trb Conewango Crk built?

It was built in 2004, making it 21 years old in 2025.

What condition is Leon Road over Trb Conewango Crk 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 November 2024.

How much traffic does Leon Road over Trb Conewango Crk carry?

About 737 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Leon Road over Trb Conewango Crk?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m).

Who owns Leon Road over Trb Conewango Crk?

It is owned by the County Highway Agency.