US Bridges

RTE I81 over RTE 11

Fair

Broome County, New York · 1.3 MI N JCT Rts I-81+26 · Structure no. 000000001008331

Built
1969
56 years old, rebuilt 2008
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
145 ft
3 main spans
Daily traffic
10,338
2011 count
Owner
State
State Highway Agency

About this bridge

RTE I81 over RTE 11 is a steel stringer/multi-beam or girder carrying RTE I81 over RTE 11 in Broome County, New York. It was built in 1969 and reconstructed in 2008, so it is 56 years old, older 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 10,338 vehicles a day, roughly 36% of them trucks, projected to reach 14,473 by 2031. The structure is 145 ft (44.2 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE I81
CrossesRTE 11
Location1.3 MI N JCT Rts I-81+26
RouteInterstate 81
Coordinates42.33844, -75.97856
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103 US tons
Inventory rating61 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length145 ft (44.2 m)
Longest span53 ft (16.1 m)
Deck width41 ft (12.6 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,338 (2011)
Projected traffic14,473 by 2031
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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$2.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I81 over RTE 11 built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2008.

What condition is RTE I81 over RTE 11 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 I81 over RTE 11 carry?

About 10,338 vehicles per day (2011 count), of which roughly 36% are trucks.

How long is RTE I81 over RTE 11?

The structure is 145 ft (44.2 m) long with a longest span of 53 ft (16.1 m) and a deck 41 ft wide.

Who owns RTE I81 over RTE 11?

It is owned by the State Highway Agency.