US Bridges

RTE I81 over Hunts Creek

Fair

Cortland County, New York · I81 NB & SB @ Marathon · Structure no. 000000001031310

Built
1966
59 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
46 ft
2 main spans
Daily traffic
16,872
2019 count
Owner
State
State Highway Agency

About this bridge

RTE I81 over Hunts Creek is a concrete continuous culvert carrying RTE I81 over Hunts Creek in Cortland County, New York. It was built in 1966, 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 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 16,872 vehicles a day, roughly 27% of them trucks, projected to reach 18,913 by 2041. The structure is 46 ft (14 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE I81
CrossesHunts Creek
LocationI81 NB & SB @ Marathon
RouteInterstate 81
Coordinates42.4427, -76.03181
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 20
Structure length46 ft (14 m)
Longest span20 ft (6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,872 (2019)
Projected traffic18,913 by 2041
Trucks27%
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$8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I81 over Hunts Creek built?

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

What condition is RTE I81 over Hunts 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 2024.

How much traffic does RTE I81 over Hunts Creek carry?

About 16,872 vehicles per day (2019 count), of which roughly 27% are trucks.

How long is RTE I81 over Hunts Creek?

The structure is 46 ft (14 m) long with a longest span of 20 ft (6 m).

Who owns RTE I81 over Hunts Creek?

It is owned by the State Highway Agency.