US Bridges

RTE 10 over Lake Brook

Fair

Delaware County, New York · 4.7 MI SW JCT Rts 10 + 23 · Structure no. 000000001007840

Built
1953
72 years old, rebuilt 2003
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
1 main span
Daily traffic
1,455
2016 count
Owner
State
State Highway Agency

About this bridge

RTE 10 over Lake Brook is a steel stringer/multi-beam or girder carrying RTE 10 over Lake Brook in Delaware County, New York. It was built in 1953 and reconstructed in 2003, so it is 72 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 1,455 vehicles a day, roughly 11% of them trucks, projected to reach 1,517 by 2041. The structure is 49 ft (14.9 m) long and 37 ft wide. If it were closed, the detour would be 61.5 mi (99 km).

Location

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CarriesRTE 10
CrossesLake Brook
Location4.7 MI SW JCT Rts 10 + 23
RouteState Highway 10
CountyDelaware County
StateNew York
Coordinates42.37249, -74.68769
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length49 ft (14.9 m)
Longest span45 ft (13.7 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,455 (2016)
Projected traffic1,517 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed61.5 mi (99 km)
TollOn a free road
National Highway SystemNo

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$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 10 over Lake Brook built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2003.

What condition is RTE 10 over Lake Brook 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 May 2023.

How much traffic does RTE 10 over Lake Brook carry?

About 1,455 vehicles per day (2016 count), of which roughly 11% are trucks.

How long is RTE 10 over Lake Brook?

The structure is 49 ft (14.9 m) long with a longest span of 45 ft (13.7 m) and a deck 37 ft wide.

Who owns RTE 10 over Lake Brook?

It is owned by the State Highway Agency.