US Bridges

North Cayuga ST over Cascadilla Creek

Fair

Tompkins County, New York · City of Ithaca · Structure no. 000000002210520

Built
1992
33 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
4,948
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

North Cayuga ST over Cascadilla Creek is a prestressed concrete box beam or girders - multiple carrying North Cayuga ST over Cascadilla Creek in Tompkins County, New York. It was built in 1992, so it is 33 years old, younger 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 4,948 vehicles a day, roughly 4% of them trucks, projected to reach 6,010 by 2041. The structure is 42 ft (12.8 m) long and 51 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNorth Cayuga ST
CrossesCascadilla Creek
LocationCity of Ithaca
RouteCity Street 0
Coordinates42.44475, -76.49926
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating45 US tons
Inventory rating19 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span41 ft (12.4 m)
Deck width51 ft (15.5 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,948 (2020)
Projected traffic6,010 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$1.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was North Cayuga ST over Cascadilla Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is North Cayuga ST over Cascadilla 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 October 2024.

How much traffic does North Cayuga ST over Cascadilla Creek carry?

About 4,948 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is North Cayuga ST over Cascadilla Creek?

The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.4 m) and a deck 51 ft wide.

Who owns North Cayuga ST over Cascadilla Creek?

It is owned by the City or Municipal Highway Agency.