US Bridges

County Road 27 over Wiscoy Creek

Fair

Allegany County, New York · 1.0 MI NW of Rossburg · Structure no. 000000003330340

Built
1978
47 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
168 ft
2 main spans
Daily traffic
271
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 27 over Wiscoy Creek is a prestressed concrete box beam or girders - multiple carrying County Road 27 over Wiscoy Creek in Allegany County, New York. It was built in 1978, so it is 47 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 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 271 vehicles a day, roughly 7% of them trucks, projected to reach 379 by 2041. The structure is 168 ft (51.2 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCounty Road 27
CrossesWiscoy Creek
Location1.0 MI NW of Rossburg
RouteCounty Highway 0
CountyAllegany County
StateNew York
Coordinates42.5043, -78.08215
Functional classRural Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating61 US tons
Inventory rating8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length168 ft (51.2 m)
Longest span81 ft (24.7 m)
Deck width29 ft (8.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic271 (2021)
Projected traffic379 by 2041
Trucks7%
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$2.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 27 over Wiscoy Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is County Road 27 over Wiscoy 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 November 2024.

How much traffic does County Road 27 over Wiscoy Creek carry?

About 271 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is County Road 27 over Wiscoy Creek?

The structure is 168 ft (51.2 m) long with a longest span of 81 ft (24.7 m) and a deck 29 ft wide.

Who owns County Road 27 over Wiscoy Creek?

It is owned by the County Highway Agency.