US Bridges

RTE 20A over Stony Creek

Good

Wyoming County, New York · .5 MI E JCT 20A & 238 · Structure no. 000000001078670

Built
2007
18 years old
Condition
Good
inspected November 2023
Type
Frame
Concrete
Length
30 ft
1 main span
Daily traffic
5,838
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 20A over Stony Creek is a concrete frame carrying RTE 20A over Stony Creek in Wyoming County, New York. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,838 vehicles a day, roughly 6% of them trucks, projected to reach 5,874 by 2041. The structure is 30 ft (9.1 m) long and 47 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesRTE 20A
CrossesStony Creek
Location.5 MI E JCT 20A & 238
RouteState Highway 20A
Coordinates42.73945, -78.1855
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: 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 rating75.1 US tons
Inventory rating32.4 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,838 (2019)
Projected traffic5,874 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$685,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 20A over Stony Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is RTE 20A over Stony 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 November 2023.

How much traffic does RTE 20A over Stony Creek carry?

About 5,838 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is RTE 20A over Stony Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 47 ft wide.

Who owns RTE 20A over Stony Creek?

It is owned by the State Highway Agency.