US Bridges

South Cayuga St. over Six Mile Creek

Good

Tompkins County, New York · Ithaca · Structure no. 000000002210430

Built
1968
57 years old, rebuilt 2022
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
76 ft
1 main span
Daily traffic
8,216
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

South Cayuga St. over Six Mile Creek is a steel stringer/multi-beam or girder carrying South Cayuga St. over Six Mile Creek in Tompkins County, New York. It was built in 1968 and reconstructed in 2022, so it is 57 years old, older 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 8,216 vehicles a day, roughly 3% of them trucks, projected to reach 10,165 by 2041. The structure is 76 ft (23.2 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSouth Cayuga St.
CrossesSix Mile Creek
LocationIthaca
RouteCity Street 0
Coordinates42.43533, -76.49882
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length76 ft (23.2 m)
Longest span71 ft (21.6 m)
Deck width40 ft (12.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,216 (2020)
Projected traffic10,165 by 2041
Trucks3%
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$2.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South Cayuga St. over Six Mile Creek built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2022.

What condition is South Cayuga St. over Six Mile Creek 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 February 2024.

How much traffic does South Cayuga St. over Six Mile Creek carry?

About 8,216 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is South Cayuga St. over Six Mile Creek?

The structure is 76 ft (23.2 m) long with a longest span of 71 ft (21.6 m) and a deck 40 ft wide.

Who owns South Cayuga St. over Six Mile Creek?

It is owned by the City or Municipal Highway Agency.