US Bridges

Coulter Brook RD over Little Delaware River

Fair

Delaware County, New York · .6 MI E of Bovina Center · Structure no. 000000003351850

Built
1954
71 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
55
2017 count
Owner
County
County Highway Agency

About this bridge

Coulter Brook RD over Little Delaware River is a steel stringer/multi-beam or girder carrying Coulter Brook RD over Little Delaware River in Delaware County, New York. It was built in 1954, so it is 71 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 55 vehicles a day, roughly 14% of them trucks, projected to reach 77 by 2037. The structure is 51 ft (15.5 m) long and 23 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesCoulter Brook RD
CrossesLittle Delaware River
Location.6 MI E of Bovina Center
Coordinates42.25878, -74.77537
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 alignment6: Equal to present minimum criteria
Operating rating34.6 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span46 ft (14 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2017)
Projected traffic77 by 2037
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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$818,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Coulter Brook RD over Little Delaware River built?

It was built in 1954, making it 71 years old in 2025.

What condition is Coulter Brook RD over Little Delaware River 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 April 2023.

How much traffic does Coulter Brook RD over Little Delaware River carry?

About 55 vehicles per day (2017 count), of which roughly 14% are trucks.

How long is Coulter Brook RD over Little Delaware River?

The structure is 51 ft (15.5 m) long with a longest span of 46 ft (14 m) and a deck 23 ft wide.

Who owns Coulter Brook RD over Little Delaware River?

It is owned by the County Highway Agency.