US Bridges

Johnnycake RD over Cornish Creek

Fair

Herkimer County, New York · 2.8 MI NE of Paines Hllow · Structure no. 000000003307540

Built
1991
34 years old
Condition
Fair
inspected April 2023
Type
Frame
Concrete
Length
40 ft
1 main span
Daily traffic
183
2018 count
Owner
County
County Highway Agency

About this bridge

Johnnycake RD over Cornish Creek is a concrete frame carrying Johnnycake RD over Cornish Creek in Herkimer County, New York. It was built in 1991, so it is 34 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 183 vehicles a day, roughly 10% of them trucks, projected to reach 256 by 2038. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesJohnnycake RD
CrossesCornish Creek
Location2.8 MI NE of Paines Hllow
RouteCounty Highway 0
Coordinates42.97128, -74.84763
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span37 ft (11.2 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic183 (2018)
Projected traffic256 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$536,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Johnnycake RD over Cornish Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Johnnycake RD over Cornish 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 April 2023.

How much traffic does Johnnycake RD over Cornish Creek carry?

About 183 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Johnnycake RD over Cornish Creek?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.2 m) and a deck 24 ft wide.

Who owns Johnnycake RD over Cornish Creek?

It is owned by the County Highway Agency.