US Bridges

County Road 48A over Susquehanna River

Fair

Otsego County, New York · 2.0 MI SW of Oneonta · Structure no. 000000003358280

Built
1973
52 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
316 ft
3 main spans
Daily traffic
2,747
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 48A over Susquehanna River is a prestressed concrete stringer/multi-beam or girder carrying County Road 48A 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 2,747 vehicles a day, roughly 9% of them trucks, projected to reach 3,337 by 2041. The structure is 316 ft (96.3 m) long and 50 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCounty Road 48A
CrossesSusquehanna River
Location2.0 MI SW of Oneonta
RouteCounty Highway 0
CountyOtsego County
StateNew York
Coordinates42.44014, -75.09954
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating69 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length316 ft (96.3 m)
Longest span104 ft (31.6 m)
Deck width50 ft (15.3 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,747 (2020)
Projected traffic3,337 by 2041
Trucks9%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 48A over Susquehanna River built?

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

What condition is County Road 48A 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 May 2023.

How much traffic does County Road 48A over Susquehanna River carry?

About 2,747 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is County Road 48A over Susquehanna River?

The structure is 316 ft (96.3 m) long with a longest span of 104 ft (31.6 m) and a deck 50 ft wide.

Who owns County Road 48A over Susquehanna River?

It is owned by the County Highway Agency.