US Bridges

Ardsley Road over Bronx River

Fair

Westchester County, New York · In Scarsdale · Structure no. 000000003348280

Built
1924
101 years old
Condition
Fair
inspected May 2023
Type
Arch - Deck
Concrete
Length
42 ft
1 main span
Daily traffic
10,477
2010 count
Owner
County
County Highway Agency

About this bridge

Ardsley Road over Bronx River is a concrete arch - deck carrying Ardsley Road over Bronx River in Westchester County, New York. It was built in 1924, so it is 101 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 10,477 vehicles a day, roughly 5% of them trucks, projected to reach 10,526 by 2041. The structure is 42 ft (12.8 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesArdsley Road
CrossesBronx River
LocationIn Scarsdale
RouteCounty Highway 0
CountyWestchester County
StateNew York
Coordinates40.98888, -73.81017
Functional classUrban Other Principal Arterial

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.
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 evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.5 US tons
Inventory rating13 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span36 ft (10.9 m)
Deck width46 ft (14 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,477 (2010)
Projected traffic10,526 by 2041
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$2.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ardsley Road over Bronx River built?

It was built in 1924, making it 101 years old in 2025.

What condition is Ardsley Road over Bronx 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 May 2023.

How much traffic does Ardsley Road over Bronx River carry?

About 10,477 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Ardsley Road over Bronx River?

The structure is 42 ft (12.8 m) long with a longest span of 36 ft (10.9 m) and a deck 46 ft wide.

Who owns Ardsley Road over Bronx River?

It is owned by the County Highway Agency.