US Bridges

N Tioga Street over Cascadilla Creek

Poor

Tompkins County, New York · City of Ithaca · Structure no. 000000002210540

Built
1930
95 years old, rebuilt 1982
Condition
Poor
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
848
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Tioga Street over Cascadilla Creek is a prestressed concrete box beam or girders - multiple carrying N Tioga Street over Cascadilla Creek in Tompkins County, New York. It was built in 1930 and reconstructed in 1982, so it is 95 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 848 vehicles a day, roughly 2% of them trucks, projected to reach 1,049 by 2041. The structure is 34 ft (10.4 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesN Tioga Street
CrossesCascadilla Creek
LocationCity of Ithaca
RouteCity Street 0
Coordinates42.44386, -76.49703
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating25 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span32 ft (9.7 m)
Deck width52 ft (16 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic848 (2020)
Projected traffic1,049 by 2041
Trucks2%
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$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was N Tioga Street over Cascadilla Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1982.

What condition is N Tioga Street over Cascadilla Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does N Tioga Street over Cascadilla Creek carry?

About 848 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is N Tioga Street over Cascadilla Creek?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.7 m) and a deck 52 ft wide.

Who owns N Tioga Street over Cascadilla Creek?

It is owned by the City or Municipal Highway Agency.