US Bridges

Lakeside Drive over Sheldrake River

Good

Westchester County, New York · 0.8 MI W of Mamaroneck · Structure no. 000000003348480

Built
1925
100 years old, rebuilt 1994
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
1,579
2018 count
Owner
County
County Highway Agency

About this bridge

Lakeside Drive over Sheldrake River is a prestressed concrete box beam or girders - multiple carrying Lakeside Drive over Sheldrake River in Westchester County, New York. It was built in 1925 and reconstructed in 1994, so it is 100 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 1,579 vehicles a day, roughly 5% of them trucks, projected to reach 2,211 by 2038. The structure is 34 ft (10.4 m) long and 39 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLakeside Drive
CrossesSheldrake River
Location0.8 MI W of Mamaroneck
Coordinates40.94348, -73.75215
Functional classUrban Local

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 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 evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating102 US tons
Inventory rating61 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length34 ft (10.4 m)
Longest span29 ft (8.8 m)
Deck width39 ft (11.9 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,579 (2018)
Projected traffic2,211 by 2038
Trucks5%
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$567,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lakeside Drive over Sheldrake River built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1994.

What condition is Lakeside Drive over Sheldrake River 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 May 2023.

How much traffic does Lakeside Drive over Sheldrake River carry?

About 1,579 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Lakeside Drive over Sheldrake River?

The structure is 34 ft (10.4 m) long with a longest span of 29 ft (8.8 m) and a deck 39 ft wide.

Who owns Lakeside Drive over Sheldrake River?

It is owned by the County Highway Agency.