US Bridges

N Triphammer Road over Gulf Creek

Fair

Tompkins County, New York · 2.2 MI North of Ithaca · Structure no. 000000003314360

Built
2002
23 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
7,182
2020 count
Owner
County
County Highway Agency

About this bridge

N Triphammer Road over Gulf Creek is a prestressed concrete box beam or girders - multiple carrying N Triphammer Road over Gulf Creek in Tompkins County, New York. It was built in 2002, so it is 23 years old, younger 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 6 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 7,182 vehicles a day, roughly 4% of them trucks, projected to reach 8,724 by 2041. The structure is 41 ft (12.5 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesN Triphammer Road
CrossesGulf Creek
Location2.2 MI North of Ithaca
RouteCounty Highway 0
Coordinates42.52609, -76.49183
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103 US tons
Inventory rating61 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length41 ft (12.5 m)
Longest span39 ft (12 m)
Deck width41 ft (12.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,182 (2020)
Projected traffic8,724 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was N Triphammer Road over Gulf Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is N Triphammer Road over Gulf 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 June 2024.

How much traffic does N Triphammer Road over Gulf Creek carry?

About 7,182 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is N Triphammer Road over Gulf Creek?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (12 m) and a deck 41 ft wide.

Who owns N Triphammer Road over Gulf Creek?

It is owned by the County Highway Agency.