US Bridges

RTE 13 over Cascadilla Creek

Fair

Tompkins County, New York · 1.0 MI S JCT Rts 13 + 34 · Structure no. 000000001010360

Built
1965
60 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
31,683
2011 count
Owner
State
State Highway Agency

About this bridge

RTE 13 over Cascadilla Creek is a steel stringer/multi-beam or girder carrying RTE 13 over Cascadilla Creek in Tompkins County, New York. It was built in 1965, so it is 60 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 31,683 vehicles a day, roughly 6% of them trucks, projected to reach 41,276 by 2041. The structure is 50 ft (15.2 m) long and 74 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 13
CrossesCascadilla Creek
Location1.0 MI S JCT Rts 13 + 34
RouteState Highway 13
Coordinates42.45077, -76.50423
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span45 ft (13.7 m)
Deck width74 ft (22.7 m)
Roadway width72 ft (21.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,683 (2011)
Projected traffic41,276 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 13 over Cascadilla Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is RTE 13 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 2024.

How much traffic does RTE 13 over Cascadilla Creek carry?

About 31,683 vehicles per day (2011 count), of which roughly 6% are trucks.

How long is RTE 13 over Cascadilla Creek?

The structure is 50 ft (15.2 m) long with a longest span of 45 ft (13.7 m) and a deck 74 ft wide.

Who owns RTE 13 over Cascadilla Creek?

It is owned by the State Highway Agency.