US Bridges

RTE I81 over Castle Creek

Fair

Broome County, New York · 0.2 MI N of Exit 7 I-81 · Structure no. 000000001094062

Built
1969
56 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
12,310
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I81 over Castle Creek is a concrete continuous culvert carrying RTE I81 over Castle Creek in Broome County, New York. It was built in 1969, 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 12,310 vehicles a day, roughly 26% of them trucks, projected to reach 14,660 by 2041. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE I81
CrossesCastle Creek
Location0.2 MI N of Exit 7 I-81
RouteInterstate 81
CountyBroome County
StateNew York
Coordinates42.23647, -75.91533
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length39 ft (11.9 m)
Longest span19 ft (5.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,310 (2021)
Projected traffic14,660 by 2041
Trucks26%
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$1.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I81 over Castle Creek built?

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

What condition is RTE I81 over Castle Creek 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 March 2023.

How much traffic does RTE I81 over Castle Creek carry?

About 12,310 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is RTE I81 over Castle Creek?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.7 m).

Who owns RTE I81 over Castle Creek?

It is owned by the State Highway Agency.