US Bridges

RTE 20 over Flat Creek

Fair

Schoharie County, New York · 0.3 MI E JCT Rts 20 + 145 · Structure no. 000000001015890

Built
1941
84 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
2,698
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 20 over Flat Creek is a concrete slab carrying RTE 20 over Flat Creek in Schoharie County, New York. It was built in 1941, so it is 84 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 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 2,698 vehicles a day, roughly 12% of them trucks, projected to reach 2,723 by 2041. The structure is 25 ft (7.6 m) long and 66 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRTE 20
CrossesFlat Creek
Location0.3 MI E JCT Rts 20 + 145
RouteU.S. Route 20
Coordinates42.75945, -74.52763
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width66 ft (20.1 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,698 (2021)
Projected traffic2,723 by 2041
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 20 over Flat Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is RTE 20 over Flat Creek 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 September 2024.

How much traffic does RTE 20 over Flat Creek carry?

About 2,698 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is RTE 20 over Flat Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 66 ft wide.

Who owns RTE 20 over Flat Creek?

It is owned by the State Highway Agency.