US Bridges

RTE 79 over Cayuga Inlet

Good

Tompkins County, New York · .1 MI W JCT SH 96 & SH 79 · Structure no. 000000004210380

Built
1996
29 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
110 ft
1 main span
Daily traffic
11,501
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

RTE 79 over Cayuga Inlet is a steel stringer/multi-beam or girder carrying RTE 79 over Cayuga Inlet in Tompkins County, New York. It was built in 1996, so it is 29 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 11,501 vehicles a day, roughly 4% of them trucks, projected to reach 13,971 by 2041. The structure is 110 ft (33.5 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 79
CrossesCayuga Inlet
Location.1 MI W JCT SH 96 & SH 79
RouteCity Street 79
Coordinates42.44001, -76.51188
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
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 rating60 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length110 ft (33.5 m)
Longest span106 ft (32.3 m)
Deck width42 ft (12.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,501 (2016)
Projected traffic13,971 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 79 over Cayuga Inlet built?

It was built in 1996, making it 29 years old in 2025.

What condition is RTE 79 over Cayuga Inlet 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 October 2024.

How much traffic does RTE 79 over Cayuga Inlet carry?

About 11,501 vehicles per day (2016 count), of which roughly 4% are trucks.

How long is RTE 79 over Cayuga Inlet?

The structure is 110 ft (33.5 m) long with a longest span of 106 ft (32.3 m) and a deck 42 ft wide.

Who owns RTE 79 over Cayuga Inlet?

It is owned by the City or Municipal Highway Agency.