US Bridges

County Road 18 over Shequaga Creek

Fair

Schuyler County, New York · 0.25MI S JCT CO18 & RT414 · Structure no. 000000003332340

Built
1984
41 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
1,493
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 18 over Shequaga Creek is a prestressed concrete box beam or girders - multiple carrying County Road 18 over Shequaga Creek in Schuyler County, New York. It was built in 1984, so it is 41 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 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 1,493 vehicles a day, roughly 11% of them trucks, projected to reach 1,557 by 2041. The structure is 64 ft (19.5 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty Road 18
CrossesShequaga Creek
Location0.25MI S JCT CO18 & RT414
RouteCounty Highway 0
Coordinates42.31726, -76.89713
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span60 ft (18.2 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,493 (2021)
Projected traffic1,557 by 2041
Trucks11%
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$999,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 18 over Shequaga Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is County Road 18 over Shequaga 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 August 2024.

How much traffic does County Road 18 over Shequaga Creek carry?

About 1,493 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is County Road 18 over Shequaga Creek?

The structure is 64 ft (19.5 m) long with a longest span of 60 ft (18.2 m) and a deck 31 ft wide.

Who owns County Road 18 over Shequaga Creek?

It is owned by the County Highway Agency.