US Bridges

RTE 9A over Pocantico River

Poor

Westchester County, New York · 1.9 MI N JCT Rts 9A+117 · Structure no. 000000001006170

Built
1928
97 years old, rebuilt 2001
Condition
Poor
inspected April 2024
Type
Arch - Deck
Concrete
Length
39 ft
1 main span
Daily traffic
43,830
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 1928 and reconstructed in 2001, so it is 97 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 43,830 vehicles a day, roughly 5% of them trucks, projected to reach 44,036 by 2041. The structure is 39 ft (11.9 m) long and 58 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 9A
CrossesPocantico River
Location1.9 MI N JCT Rts 9A+117
RouteState Highway 9A
Coordinates41.14796, -73.82356
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating32.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span20 ft (6 m)
Deck width58 ft (17.6 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,830 (2011)
Projected traffic44,036 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$1.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9A over Pocantico River built?

It was built in 1928, making it 97 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 poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

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

About 43,830 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is RTE 9A over Pocantico River?

The structure is 39 ft (11.9 m) long with a longest span of 20 ft (6 m) and a deck 58 ft wide.

Who owns RTE 9A over Pocantico River?

It is owned by the State Highway Agency.