US Bridges

RTE 13 over Tioughnioga River

Fair

Cortland County, New York · 3.1 MI NE JCT Rts 13 & 91 · Structure no. 000000001054510

Built
1999
26 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
135 ft
1 main span
Daily traffic
1,869
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 13 over Tioughnioga River is a steel stringer/multi-beam or girder carrying RTE 13 over Tioughnioga River in Cortland County, New York. It was built in 1999, so it is 26 years old, younger 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 1,869 vehicles a day, roughly 23% of them trucks, projected to reach 1,880 by 2041. The structure is 135 ft (41.1 m) long and 39 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 13
CrossesTioughnioga River
Location3.1 MI NE JCT Rts 13 & 91
RouteState Highway 13
Coordinates42.72453, -75.97039
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating80 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length135 ft (41.1 m)
Longest span134 ft (40.7 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,869 (2020)
Projected traffic1,880 by 2041
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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$2.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 13 over Tioughnioga River built?

It was built in 1999, making it 26 years old in 2025.

What condition is RTE 13 over Tioughnioga River 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 November 2023.

How much traffic does RTE 13 over Tioughnioga River carry?

About 1,869 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is RTE 13 over Tioughnioga River?

The structure is 135 ft (41.1 m) long with a longest span of 134 ft (40.7 m) and a deck 39 ft wide.

Who owns RTE 13 over Tioughnioga River?

It is owned by the State Highway Agency.