US Bridges

Linn Street over Cascadilla Creek

Good

Tompkins County, New York · City of Ithaca · Structure no. 000000002210560

Built
2001
24 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
34 ft
1 main span
Daily traffic
326
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Linn Street over Cascadilla Creek is a concrete culvert carrying Linn Street over Cascadilla Creek in Tompkins County, New York. It was built in 2001, so it is 24 years old, younger 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 326 vehicles a day, roughly 1% of them trucks, projected to reach 456 by 2041. The structure is 34 ft (10.4 m) long and 73 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLinn Street
CrossesCascadilla Creek
LocationCity of Ithaca
RouteCity Street 0
Coordinates42.44283, -76.49457
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87.9 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length34 ft (10.4 m)
Longest span33 ft (10 m)
Deck width73 ft (22.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic326 (2021)
Projected traffic456 by 2041
Trucks1%
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 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Linn Street over Cascadilla Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Linn Street over Cascadilla 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 September 2023.

How much traffic does Linn Street over Cascadilla Creek carry?

About 326 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Linn Street over Cascadilla Creek?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10 m) and a deck 73 ft wide.

Who owns Linn Street over Cascadilla Creek?

It is owned by the City or Municipal Highway Agency.