US Bridges

County Road 20 over Tannery Creek

Good

Allegany County, New York · 0.6 MI East of Ny Route 3 · Structure no. 000000003090290

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
31 ft
1 main span
Daily traffic
1,138
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 20 over Tannery Creek is a concrete culvert carrying County Road 20 over Tannery Creek in Allegany County, New York. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,138 vehicles a day, roughly 5% of them trucks, projected to reach 1,593 by 2041. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesCounty Road 20
CrossesTannery Creek
Location0.6 MI East of Ny Route 3
RouteCounty Highway 0
CountyAllegany County
StateNew York
Coordinates42.2205, -78.26484
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating93 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length31 ft (9.4 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,138 (2021)
Projected traffic1,593 by 2041
Trucks5%
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$910,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 20 over Tannery Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is County Road 20 over Tannery Creek 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 October 2023.

How much traffic does County Road 20 over Tannery Creek carry?

About 1,138 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is County Road 20 over Tannery Creek?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m).

Who owns County Road 20 over Tannery Creek?

It is owned by the County Highway Agency.