US Bridges

Fenimore Road over Bronx River

Fair

Westchester County, New York · 2.3 MI E of Ardsley · Structure no. 000000003348760

Built
1912
113 years old
Condition
Fair
inspected May 2023
Type
Arch - Deck
Concrete
Length
35 ft
1 main span
Daily traffic
10,776
2017 count
Owner
County
County Highway Agency

About this bridge

Fenimore Road over Bronx River is a concrete arch - deck carrying Fenimore Road over Bronx River in Westchester County, New York. It was built in 1912, so it is 113 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 6 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 10,776 vehicles a day, roughly 2% of them trucks, projected to reach 13,090 by 2041. The structure is 35 ft (10.7 m) long and 53 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesFenimore Road
CrossesBronx River
Location2.3 MI E of Ardsley
Coordinates41.01005, -73.79597
Functional classUrban Minor 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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating22.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span33 ft (10 m)
Deck width53 ft (16.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,776 (2017)
Projected traffic13,090 by 2041
Trucks2%
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 statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Fenimore Road over Bronx River built?

It was built in 1912, making it 113 years old in 2025.

What condition is Fenimore 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 Fenimore Road over Bronx River carry?

About 10,776 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Fenimore Road over Bronx River?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10 m) and a deck 53 ft wide.

Who owns Fenimore Road over Bronx River?

It is owned by the County Highway Agency.