US Bridges

RTE 8 over Susquehanna River

Fair

Delaware County, New York · JCT SH 8 & Susquehanna Rv · Structure no. 000000001095000

Built
1977
48 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
505 ft
4 main spans
Daily traffic
6,851
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 8 over Susquehanna River is a steel stringer/multi-beam or girder carrying RTE 8 over Susquehanna River in Delaware County, New York. It was built in 1977, so it is 48 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 6,851 vehicles a day, roughly 10% of them trucks, projected to reach 6,988 by 2041. The structure is 505 ft (153.9 m) long and 50 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesRTE 8
CrossesSusquehanna River
LocationJCT SH 8 & Susquehanna Rv
RouteState Highway 8
CountyDelaware County
StateNew York
Coordinates42.31585, -75.41231
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length505 ft (153.9 m)
Longest span148 ft (45.1 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,851 (2018)
Projected traffic6,988 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
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 8 over Susquehanna River built?

It was built in 1977, making it 48 years old in 2025.

What condition is RTE 8 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 2024.

How much traffic does RTE 8 over Susquehanna River carry?

About 6,851 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is RTE 8 over Susquehanna River?

The structure is 505 ft (153.9 m) long with a longest span of 148 ft (45.1 m) and a deck 50 ft wide.

Who owns RTE 8 over Susquehanna River?

It is owned by the State Highway Agency.