US Bridges

County Road 15A over Oriskany CR

Fair

Oneida County, New York · 1 MI NE Hamilton College · Structure no. 000000002205770

Built
1960
65 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
1 main span
Daily traffic
2,123
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

County Road 15A over Oriskany CR is a steel stringer/multi-beam or girder carrying County Road 15A over Oriskany CR in Oneida County, New York. It was built in 1960, so it is 65 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 2,123 vehicles a day, roughly 4% of them trucks, projected to reach 2,972 by 2038. The structure is 74 ft (22.6 m) long and 26 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCounty Road 15A
CrossesOriskany CR
Location1 MI NE Hamilton College
Coordinates43.05979, -75.38819
Functional classUrban 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
Deck7 GoodSome minor problems.
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 inspectionJuly 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length74 ft (22.6 m)
Longest span70 ft (21.3 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,123 (2018)
Projected traffic2,972 by 2038
Trucks4%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 15A over Oriskany CR built?

It was built in 1960, making it 65 years old in 2025.

What condition is County Road 15A over Oriskany CR 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 July 2024.

How much traffic does County Road 15A over Oriskany CR carry?

About 2,123 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is County Road 15A over Oriskany CR?

The structure is 74 ft (22.6 m) long with a longest span of 70 ft (21.3 m) and a deck 26 ft wide.

Who owns County Road 15A over Oriskany CR?

It is owned by the Town or Township Highway Agency.