US Bridges

RTE I81 over W Br Tioughnioga

Fair

Cortland County, New York · 0.5 MI N JCT I81 & SH 281 · Structure no. 000000001031462

Built
1966
59 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
12,728
2019 count
Owner
State
State Highway Agency

About this bridge

RTE I81 over W Br Tioughnioga is a concrete continuous culvert carrying RTE I81 over W Br Tioughnioga 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 12,728 vehicles a day, roughly 17% of them trucks, projected to reach 14,267 by 2041. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE I81
CrossesW Br Tioughnioga
Location0.5 MI N JCT I81 & SH 281
RouteInterstate 81
Coordinates42.75123, -76.13592
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 rating82.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length24 ft (7.3 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,728 (2019)
Projected traffic14,267 by 2041
Trucks17%
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$353,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I81 over W Br Tioughnioga built?

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

What condition is RTE I81 over W Br Tioughnioga 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 2024.

How much traffic does RTE I81 over W Br Tioughnioga carry?

About 12,728 vehicles per day (2019 count), of which roughly 17% are trucks.

How long is RTE I81 over W Br Tioughnioga?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.3 m).

Who owns RTE I81 over W Br Tioughnioga?

It is owned by the State Highway Agency.