US Bridges

Exit 31 Ramp over RTE 921C

Fair

Oneida County, New York · W Int 31 Utica Ny · Structure no. 000000005051740

Built
1953
72 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
144 ft
3 main spans
Daily traffic
3,730
2020 count
Owner
Toll Authority
State Toll Authority

About this bridge

Exit 31 Ramp over RTE 921C is a steel stringer/multi-beam or girder carrying Exit 31 Ramp over RTE 921C in Oneida County, New York. It was built in 1953, so it is 72 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 3,730 vehicles a day, roughly 21% of them trucks, projected to reach 4,297 by 2041. The structure is 144 ft (43.9 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesExit 31 Ramp
CrossesRTE 921C
LocationW Int 31 Utica Ny
RouteInterstate 0
Coordinates43.11416, -75.21323
Functional classUrban Principal Arterial - Interstate

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating43 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span83 ft (25.3 m)
Deck width43 ft (13.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,730 (2020)
Projected traffic4,297 by 2041
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$1.8 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Exit 31 Ramp over RTE 921C built?

It was built in 1953, making it 72 years old in 2025.

What condition is Exit 31 Ramp over RTE 921C 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 October 2024.

How much traffic does Exit 31 Ramp over RTE 921C carry?

About 3,730 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is Exit 31 Ramp over RTE 921C?

The structure is 144 ft (43.9 m) long with a longest span of 83 ft (25.3 m) and a deck 43 ft wide.

Who owns Exit 31 Ramp over RTE 921C?

It is owned by the State Toll Authority.