US Bridges

RTE I81 over Ostrum Road

Fair

Broome County, New York · 1.3 MI S Exit 2 RTE I-81 · Structure no. 000000001031142

Built
1960
65 years old, rebuilt 1981
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
161 ft
3 main spans
Daily traffic
11,798
2019 count
Owner
State
State Highway Agency

About this bridge

RTE I81 over Ostrum Road is a steel stringer/multi-beam or girder carrying RTE I81 over Ostrum Road in Broome County, New York. It was built in 1960 and reconstructed in 1981, so it is 65 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 11,798 vehicles a day, roughly 34% of them trucks, projected to reach 15,518 by 2041. The structure is 161 ft (49.1 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
CrossesOstrum Road
Location1.3 MI S Exit 2 RTE I-81
RouteInterstate 81
CountyBroome County
StateNew York
Coordinates42.08175, -75.80587
Functional classUrban 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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.9 US tons
Inventory rating61.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length161 ft (49.1 m)
Longest span54 ft (16.4 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,798 (2019)
Projected traffic15,518 by 2041
Trucks34%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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$2.8 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I81 over Ostrum Road built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1981.

What condition is RTE I81 over Ostrum Road 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 RTE I81 over Ostrum Road carry?

About 11,798 vehicles per day (2019 count), of which roughly 34% are trucks.

How long is RTE I81 over Ostrum Road?

The structure is 161 ft (49.1 m) long with a longest span of 54 ft (16.4 m) and a deck 42 ft wide.

Who owns RTE I81 over Ostrum Road?

It is owned by the State Highway Agency.