US Bridges

Madison Street over Cascadilla Creek

Fair

Tompkins County, New York · City of Ithaca · Structure no. 000000002210500

Built
1920
105 years old, rebuilt 1988
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
1 main span
Daily traffic
386
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Madison Street over Cascadilla Creek is a steel stringer/multi-beam or girder carrying Madison Street over Cascadilla Creek in Tompkins County, New York. It was built in 1920 and reconstructed in 1988, so it is 105 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 5 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 386 vehicles a day, roughly 8% of them trucks, projected to reach 540 by 2039. The structure is 47 ft (14.3 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMadison Street
CrossesCascadilla Creek
LocationCity of Ithaca
RouteCity Street 0
Coordinates42.44692, -76.50115
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to 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 rating78 US tons
Inventory rating46 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span46 ft (14 m)
Deck width42 ft (12.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic386 (2019)
Projected traffic540 by 2039
Trucks8%
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 statusEligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Madison Street over Cascadilla Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1988.

What condition is Madison Street 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 August 2023.

How much traffic does Madison Street over Cascadilla Creek carry?

About 386 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Madison Street over Cascadilla Creek?

The structure is 47 ft (14.3 m) long with a longest span of 46 ft (14 m) and a deck 42 ft wide.

Who owns Madison Street over Cascadilla Creek?

It is owned by the City or Municipal Highway Agency.