US Bridges

County Road 20 over Genesee River

Fair

Allegany County, New York · 2.7 MI NW of Belmont · Structure no. 000000003357600

Built
1959
66 years old, rebuilt 2015
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
280 ft
3 main spans
Daily traffic
634
2019 count
Owner
County
County Highway Agency

About this bridge

County Road 20 over Genesee River is a steel stringer/multi-beam or girder carrying County Road 20 over Genesee River in Allegany County, New York. It was built in 1959 and reconstructed in 2015, so it is 66 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 6 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 634 vehicles a day, roughly 13% of them trucks, projected to reach 888 by 2039. The structure is 280 ft (85.3 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCounty Road 20
CrossesGenesee River
Location2.7 MI NW of Belmont
RouteCounty Highway 0
CountyAllegany County
StateNew York
Coordinates42.26408, -78.05208
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating68 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length280 ft (85.3 m)
Longest span92 ft (28 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic634 (2019)
Projected traffic888 by 2039
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$3.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 20 over Genesee River built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2015.

What condition is County Road 20 over Genesee River 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 June 2023.

How much traffic does County Road 20 over Genesee River carry?

About 634 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is County Road 20 over Genesee River?

The structure is 280 ft (85.3 m) long with a longest span of 92 ft (28 m) and a deck 32 ft wide.

Who owns County Road 20 over Genesee River?

It is owned by the County Highway Agency.