US Bridges

South Aurora ST over RTE 79 Six Mile Creek

Fair

Tompkins County, New York · 0.8 MI E JCT Rts 79 + 13 · Structure no. 000000002210450

Built
1957
68 years old, rebuilt 2007
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
129 ft
2 main spans
Daily traffic
7,332
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

South Aurora ST over RTE 79 Six Mile Creek is a steel stringer/multi-beam or girder carrying South Aurora ST over RTE 79 Six Mile Creek in Tompkins County, New York. It was built in 1957 and reconstructed in 2007, so it is 68 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 7,332 vehicles a day, roughly 3% of them trucks, projected to reach 8,906 by 2041. The structure is 129 ft (39.3 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSouth Aurora ST
CrossesRTE 79 Six Mile Creek
Location0.8 MI E JCT Rts 79 + 13
RouteCity Street 0
Coordinates42.43883, -76.49522
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length129 ft (39.3 m)
Longest span72 ft (21.9 m)
Deck width49 ft (14.9 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,332 (2020)
Projected traffic8,906 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
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$2.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South Aurora ST over RTE 79 Six Mile Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2007.

What condition is South Aurora ST over RTE 79 Six Mile 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 September 2023.

How much traffic does South Aurora ST over RTE 79 Six Mile Creek carry?

About 7,332 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is South Aurora ST over RTE 79 Six Mile Creek?

The structure is 129 ft (39.3 m) long with a longest span of 72 ft (21.9 m) and a deck 49 ft wide.

Who owns South Aurora ST over RTE 79 Six Mile Creek?

It is owned by the City or Municipal Highway Agency.