US Bridges

RTE I81 over Castle Creek

Good

Broome County, New York · 3.2 MI N of N Bing Cty Li · Structure no. 000000001031222

Built
1966
59 years old, rebuilt 2017
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
162 ft
3 main spans
Daily traffic
9,552
2019 count
Owner
State
State Highway Agency

About this bridge

RTE I81 over Castle Creek is a steel stringer/multi-beam or girder carrying RTE I81 over Castle Creek in Broome County, New York. It was built in 1966 and reconstructed in 2017, so it is 59 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,552 vehicles a day, roughly 29% of them trucks, projected to reach 12,564 by 2041. The structure is 162 ft (49.4 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE I81
CrossesCastle Creek
Location3.2 MI N of N Bing Cty Li
RouteInterstate 81
CountyBroome County
StateNew York
Coordinates42.16358, -75.89621
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length162 ft (49.4 m)
Longest span91 ft (27.7 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,552 (2019)
Projected traffic12,564 by 2041
Trucks29%
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$2.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I81 over Castle Creek built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2017.

What condition is RTE I81 over Castle Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does RTE I81 over Castle Creek carry?

About 9,552 vehicles per day (2019 count), of which roughly 29% are trucks.

How long is RTE I81 over Castle Creek?

The structure is 162 ft (49.4 m) long with a longest span of 91 ft (27.7 m) and a deck 33 ft wide.

Who owns RTE I81 over Castle Creek?

It is owned by the State Highway Agency.