US Bridges

RTE 9A over Pocantico River.

Fair

Westchester County, New York · 0.8 MI N JCT Rts 9A+117 · Structure no. 000000001006150

Built
1929
96 years old
Condition
Fair
inspected March 2024
Type
Arch - Deck
Concrete
Length
27 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 1929, so it is 96 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 43,830 vehicles a day, roughly 5% of them trucks, projected to reach 44,036 by 2041. The structure is 27 ft (8.2 m) long and 59 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRTE 9A
CrossesPocantico River.
Location0.8 MI N JCT Rts 9A+117
RouteState Highway 9A
Coordinates41.13341, -73.81814
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMarch 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating85.6 US tons
Inventory rating32.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width59 ft (17.9 m)
Roadway width52 ft (15.7 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 closed1.9 mi (3 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9A over Pocantico River. built?

It was built in 1929, making it 96 years old in 2025.

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

How long is RTE 9A over Pocantico River.?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 59 ft wide.

Who owns RTE 9A over Pocantico River.?

It is owned by the State Highway Agency.