US Bridges

County Road 36 over Beaver Swamp Brk

Good

Westchester County, New York · 1.2 MI NE Mamaroneck/Rye · Structure no. 000000003348010

Built
1927
98 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
2,408
2017 count
Owner
County
County Highway Agency

About this bridge

County Road 36 over Beaver Swamp Brk is a concrete slab carrying County Road 36 over Beaver Swamp Brk in Westchester County, New York. It was built in 1927, so it is 98 years old, older 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 2,408 vehicles a day, roughly 1% of them trucks, projected to reach 2,925 by 2041. The structure is 27 ft (8.2 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCounty Road 36
CrossesBeaver Swamp Brk
Location1.2 MI NE Mamaroneck/Rye
RouteCounty Highway 0
Coordinates40.96487, -73.70847
Functional classUrban Minor Arterial

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 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 within limits of footing or piles
Structural evaluation6: Equal to 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 alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width49 ft (14.8 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,408 (2017)
Projected traffic2,925 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$798,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 36 over Beaver Swamp Brk built?

It was built in 1927, making it 98 years old in 2025.

What condition is County Road 36 over Beaver Swamp Brk 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 April 2023.

How much traffic does County Road 36 over Beaver Swamp Brk carry?

About 2,408 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is County Road 36 over Beaver Swamp Brk?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 49 ft wide.

Who owns County Road 36 over Beaver Swamp Brk?

It is owned by the County Highway Agency.