US Bridges

RTE 89 over Cayuga-Seneca Cnl

Fair

Seneca County, New York · .8 MI SE JCT SH 5 & SH 89 · Structure no. 000000004034310

Built
1964
61 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
248 ft
3 main spans
Daily traffic
2,674
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 89 over Cayuga-Seneca Cnl is a steel continuous stringer/multi-beam or girder carrying RTE 89 over Cayuga-Seneca Cnl in Seneca County, New York. It was built in 1964, so it is 61 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 2,674 vehicles a day, roughly 10% of them trucks, projected to reach 3,738 by 2041. The structure is 248 ft (75.6 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesRTE 89
CrossesCayuga-Seneca Cnl
Location.8 MI SE JCT SH 5 & SH 89
RouteState Highway 89
CountySeneca County
StateNew York
Coordinates42.93929, -76.76091
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length248 ft (75.6 m)
Longest span107 ft (32.6 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,674 (2020)
Projected traffic3,738 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$2.9 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was RTE 89 over Cayuga-Seneca Cnl built?

It was built in 1964, making it 61 years old in 2025.

What condition is RTE 89 over Cayuga-Seneca Cnl 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 July 2024.

How much traffic does RTE 89 over Cayuga-Seneca Cnl carry?

About 2,674 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is RTE 89 over Cayuga-Seneca Cnl?

The structure is 248 ft (75.6 m) long with a longest span of 107 ft (32.6 m) and a deck 33 ft wide.

Who owns RTE 89 over Cayuga-Seneca Cnl?

It is owned by the State Highway Agency.