US Bridges

RTE 13 over Buttermilk Creek

Good

Tompkins County, New York · 0.3 MI NE JCT Rts 13 &13A · Structure no. 000000001010330

Built
1995
30 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
17,743
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 13 over Buttermilk Creek is a prestressed concrete box beam or girders - multiple carrying RTE 13 over Buttermilk Creek in Tompkins County, New York. It was built in 1995, so it is 30 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17,743 vehicles a day, roughly 7% of them trucks, projected to reach 17,826 by 2041. The structure is 85 ft (25.9 m) long and 66 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 13
CrossesButtermilk Creek
Location0.3 MI NE JCT Rts 13 &13A
RouteState Highway 13
Coordinates42.4174, -76.52415
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length85 ft (25.9 m)
Longest span83 ft (25.2 m)
Deck width66 ft (20.1 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,743 (2020)
Projected traffic17,826 by 2041
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$2.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 13 over Buttermilk Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is RTE 13 over Buttermilk 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 May 2024.

How much traffic does RTE 13 over Buttermilk Creek carry?

About 17,743 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is RTE 13 over Buttermilk Creek?

The structure is 85 ft (25.9 m) long with a longest span of 83 ft (25.2 m) and a deck 66 ft wide.

Who owns RTE 13 over Buttermilk Creek?

It is owned by the State Highway Agency.