US Bridges

RTE I81 over Tioughnioga River

Fair

Broome County, New York · JCT I-81 + Tioughnioga R · Structure no. 000000001031271

Built
2008
17 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
365 ft
2 main spans
Daily traffic
8,018
2009 count
Owner
State
State Highway Agency

About this bridge

RTE I81 over Tioughnioga River is a steel continuous stringer/multi-beam or girder carrying RTE I81 over Tioughnioga River in Broome County, New York. It was built in 2008, so it is 17 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 8,018 vehicles a day, roughly 36% of them trucks, projected to reach 11,225 by 2029. The structure is 365 ft (111.3 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE I81
CrossesTioughnioga River
LocationJCT I-81 + Tioughnioga R
RouteInterstate 81
CountyBroome County
StateNew York
Coordinates42.33659, -75.97872
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length365 ft (111.3 m)
Longest span178 ft (54.4 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,018 (2009)
Projected traffic11,225 by 2029
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$7.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I81 over Tioughnioga River built?

It was built in 2008, making it 17 years old in 2025.

What condition is RTE I81 over Tioughnioga 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 September 2024.

How much traffic does RTE I81 over Tioughnioga River carry?

About 8,018 vehicles per day (2009 count), of which roughly 36% are trucks.

How long is RTE I81 over Tioughnioga River?

The structure is 365 ft (111.3 m) long with a longest span of 178 ft (54.4 m) and a deck 42 ft wide.

Who owns RTE I81 over Tioughnioga River?

It is owned by the State Highway Agency.