US Bridges

RTE 23 over Susquehanna River

Fair

Otsego County, New York · In City of Oneonta · Structure no. 000000001095269

Built
1973
52 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
255 ft
3 main spans
Daily traffic
15,062
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 23 over Susquehanna River is a prestressed concrete stringer/multi-beam or girder carrying RTE 23 over Susquehanna River in Otsego County, New York. It was built in 1973, so it is 52 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 15,062 vehicles a day, roughly 6% of them trucks, projected to reach 15,363 by 2041. The structure is 255 ft (77.7 m) long and 92 ft wide.

CarriesRTE 23
CrossesSusquehanna River
LocationIn City of Oneonta
RouteState Highway 23
Coordinates42.44913, -75.05139
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating54 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length255 ft (77.7 m)
Longest span85 ft (25.9 m)
Deck width92 ft (28 m)
Roadway width89 ft (27 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,062 (2020)
Projected traffic15,363 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$9.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 23 over Susquehanna River built?

It was built in 1973, making it 52 years old in 2025.

What condition is RTE 23 over Susquehanna River 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 RTE 23 over Susquehanna River carry?

About 15,062 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is RTE 23 over Susquehanna River?

The structure is 255 ft (77.7 m) long with a longest span of 85 ft (25.9 m) and a deck 92 ft wide.

Who owns RTE 23 over Susquehanna River?

It is owned by the State Highway Agency.