US Bridges

RTE I81 over Castle Creek

Fair

Broome County, New York · 1.2 MI W of Exit 7 I-81 · Structure no. 000000001063290

Built
1967
58 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
24,619
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 1967, so it is 58 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 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 24,619 vehicles a day, roughly 26% of them trucks, projected to reach 29,321 by 2041. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE I81
CrossesCastle Creek
Location1.2 MI W of Exit 7 I-81
RouteInterstate 81
CountyBroome County
StateNew York
Coordinates42.24936, -75.91849
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
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 length35 ft (10.7 m)
Longest span17 ft (5.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,619 (2021)
Projected traffic29,321 by 2041
Trucks26%
Lanes on structure4
Traffic directionTwo-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 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I81 over Castle Creek built?

It was built in 1967, making it 58 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 April 2023.

How much traffic does RTE I81 over Castle Creek carry?

About 24,619 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is RTE I81 over Castle Creek?

The structure is 35 ft (10.7 m) long with a longest span of 17 ft (5.1 m).

Who owns RTE I81 over Castle Creek?

It is owned by the State Highway Agency.