US Bridges

State Road over Tremper Kill

Good

Delaware County, New York · 2.3 M SW of Andes · Structure no. 000000002226580

Built
1976
49 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
21
2017 count
Owner
County
County Highway Agency

About this bridge

State Road over Tremper Kill is a steel stringer/multi-beam or girder carrying State Road over Tremper Kill in Delaware County, New York. It was built in 1976, so it is 49 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 21 vehicles a day, roughly 14% of them trucks, projected to reach 29 by 2037. The structure is 35 ft (10.7 m) long and 22 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesState Road
CrossesTremper Kill
Location2.3 M SW of Andes
Coordinates42.15664, -74.79944
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating84 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span32 ft (9.7 m)
Deck width22 ft (6.8 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2017)
Projected traffic29 by 2037
Trucks14%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$618,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was State Road over Tremper Kill built?

It was built in 1976, making it 49 years old in 2025.

What condition is State Road over Tremper Kill 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 August 2023.

How much traffic does State Road over Tremper Kill carry?

About 21 vehicles per day (2017 count), of which roughly 14% are trucks.

How long is State Road over Tremper Kill?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.7 m) and a deck 22 ft wide.

Who owns State Road over Tremper Kill?

It is owned by the County Highway Agency.