US Bridges

RTE 31 over Trib Seneca River

Good

Seneca County, New York · .8 MI SE JCT SH31&WYNE Cl · Structure no. 000000001021790

Built
1997
28 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
1,857
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 31 over Trib Seneca River is a concrete culvert carrying RTE 31 over Trib Seneca River in Seneca County, New York. It was built in 1997, so it is 28 years old, younger 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 1,857 vehicles a day, roughly 14% of them trucks, projected to reach 1,868 by 2041. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 10.6 mi (17 km).

CarriesRTE 31
CrossesTrib Seneca River
Location.8 MI SE JCT SH31&WYNE Cl
RouteState Highway 31
Coordinates43.0203, -76.7288
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating81 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,857 (2018)
Projected traffic1,868 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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$872,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 31 over Trib Seneca River built?

It was built in 1997, making it 28 years old in 2025.

What condition is RTE 31 over Trib Seneca River 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 July 2023.

How much traffic does RTE 31 over Trib Seneca River carry?

About 1,857 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is RTE 31 over Trib Seneca River?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m).

Who owns RTE 31 over Trib Seneca River?

It is owned by the State Highway Agency.