US Bridges

Rockland Avenue over Sheldrake River

Fair

Westchester County, New York · 1.3 MI W of Mamaroneck · Structure no. 000000002225130

Built
1930
95 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
2,493
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Rockland Avenue over Sheldrake River is a concrete slab carrying Rockland Avenue over Sheldrake River in Westchester County, New York. It was built in 1930, so it is 95 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 2,493 vehicles a day, roughly 3% of them trucks, projected to reach 3,084 by 2041. The structure is 24 ft (7.3 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRockland Avenue
CrossesSheldrake River
Location1.3 MI W of Mamaroneck
Coordinates40.94719, -73.76267
Functional classUrban 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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionFebruary 2024
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 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 rating69 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span20 ft (6 m)
Deck width47 ft (14.4 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,493 (2018)
Projected traffic3,084 by 2041
Trucks3%
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

OwnerTown or Township Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$735,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rockland Avenue over Sheldrake River built?

It was built in 1930, making it 95 years old in 2025.

What condition is Rockland Avenue over Sheldrake 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 February 2024.

How much traffic does Rockland Avenue over Sheldrake River carry?

About 2,493 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Rockland Avenue over Sheldrake River?

The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6 m) and a deck 47 ft wide.

Who owns Rockland Avenue over Sheldrake River?

It is owned by the Town or Township Highway Agency and maintained by the County Highway Agency.