US Bridges

RTE 77 over Cayuga Creek

Fair

Wyoming County, New York · 1.5MI N JCT Rts 77 + 20A · Structure no. 000000001030030

Built
1953
72 years old, rebuilt 1992
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
2,130
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 77 over Cayuga Creek is a steel stringer/multi-beam or girder carrying RTE 77 over Cayuga Creek in Wyoming County, New York. It was built in 1953 and reconstructed in 1992, so it is 72 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 2,130 vehicles a day, roughly 17% of them trucks, projected to reach 2,222 by 2041. The structure is 56 ft (17.1 m) long and 35 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

Location

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CarriesRTE 77
CrossesCayuga Creek
Location1.5MI N JCT Rts 77 + 20A
RouteState Highway 77
CountyWyoming County
StateNew York
Coordinates42.79199, -78.3967
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110 US tons
Inventory rating66 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span52 ft (15.8 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,130 (2021)
Projected traffic2,222 by 2041
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13.7 mi (22 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$1.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 77 over Cayuga Creek built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1992.

What condition is RTE 77 over Cayuga Creek 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 August 2023.

How much traffic does RTE 77 over Cayuga Creek carry?

About 2,130 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is RTE 77 over Cayuga Creek?

The structure is 56 ft (17.1 m) long with a longest span of 52 ft (15.8 m) and a deck 35 ft wide.

Who owns RTE 77 over Cayuga Creek?

It is owned by the State Highway Agency.