US Bridges

RTE 9A over Pocantico River

Fair

Westchester County, New York · 2.1 MI N JCT Rts 9A+117 · Structure no. 000000001006180

Built
1931
94 years old, rebuilt 2001
Condition
Fair
inspected March 2024
Type
Arch - Deck
Concrete
Length
28 ft
1 main span
Daily traffic
35,998
2011 count
Owner
State
State Highway Agency

About this bridge

RTE 9A over Pocantico River is a concrete arch - deck carrying RTE 9A over Pocantico River in Westchester County, New York. It was built in 1931 and reconstructed in 2001, so it is 94 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 35,998 vehicles a day, roughly 5% of them trucks, projected to reach 36,167 by 2041. The structure is 28 ft (8.5 m) long and 81 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 9A
CrossesPocantico River
Location2.1 MI N JCT Rts 9A+117
RouteState Highway 9A
Coordinates41.15003, -73.82614
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating83.3 US tons
Inventory rating21.6 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span23 ft (7 m)
Deck width81 ft (24.8 m)
Roadway width72 ft (21.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,998 (2011)
Projected traffic36,167 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$2.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9A over Pocantico River built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2001.

What condition is RTE 9A over Pocantico 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 March 2024.

How much traffic does RTE 9A over Pocantico River carry?

About 35,998 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is RTE 9A over Pocantico River?

The structure is 28 ft (8.5 m) long with a longest span of 23 ft (7 m) and a deck 81 ft wide.

Who owns RTE 9A over Pocantico River?

It is owned by the State Highway Agency.