US Bridges

Brook Road over Platte Kill

Fair

Delaware County, New York · 3.8 Miles N of Dunraven · Structure no. 000000003353130

Built
1961
64 years old, rebuilt 1993
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
28
2019 count
Owner
County
County Highway Agency

About this bridge

Brook Road over Platte Kill is a steel stringer/multi-beam or girder carrying Brook Road over Platte Kill in Delaware County, New York. It was built in 1961 and reconstructed in 1993, so it is 64 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 28 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2039. The structure is 35 ft (10.7 m) long and 24 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesBrook Road
CrossesPlatte Kill
Location3.8 Miles N of Dunraven
CountyDelaware County
StateNew York
Coordinates42.18485, -74.67563
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span34 ft (10.3 m)
Deck width24 ft (7.2 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28 (2019)
Projected traffic39 by 2039
Trucks10%
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$648,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Brook Road over Platte Kill built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1993.

What condition is Brook Road over Platte Kill 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 Brook Road over Platte Kill carry?

About 28 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Brook Road over Platte Kill?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.3 m) and a deck 24 ft wide.

Who owns Brook Road over Platte Kill?

It is owned by the County Highway Agency.