US Bridges

RTE I88 over Susquehanna River

Fair

Otsego County, New York · JCT RTE I88+SUSQUEHANNA R · Structure no. 000000001094351

Built
1975
50 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
334 ft
2 main spans
Daily traffic
6,294
2010 count
Owner
State
State Highway Agency

About this bridge

RTE I88 over Susquehanna River is a steel continuous stringer/multi-beam or girder carrying RTE I88 over Susquehanna River in Otsego County, New York. It was built in 1975, so it is 50 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 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 6,294 vehicles a day, roughly 24% of them trucks. The structure is 334 ft (101.8 m) long and 44 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

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CarriesRTE I88
CrossesSusquehanna River
LocationJCT RTE I88+SUSQUEHANNA R
RouteInterstate 88
CountyOtsego County
StateNew York
Coordinates42.4168, -75.13829
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length334 ft (101.8 m)
Longest span165 ft (50.3 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,294 (2010)
Projected traffic—
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$5.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I88 over Susquehanna River built?

It was built in 1975, making it 50 years old in 2025.

What condition is RTE I88 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 June 2024.

How much traffic does RTE I88 over Susquehanna River carry?

About 6,294 vehicles per day (2010 count), of which roughly 24% are trucks.

How long is RTE I88 over Susquehanna River?

The structure is 334 ft (101.8 m) long with a longest span of 165 ft (50.3 m) and a deck 44 ft wide.

Who owns RTE I88 over Susquehanna River?

It is owned by the State Highway Agency.