US Bridges

RTE 9A over Dickey Brook

FairPosted for load

Westchester County, New York · In Buchanan S. of Peekski · Structure no. 000000001006250

Built
1950
75 years old, rebuilt 2004
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
11,781
2015 count
Owner
State
State Highway Agency

About this bridge

RTE 9A over Dickey Brook is a concrete slab carrying RTE 9A over Dickey Brook in Westchester County, New York. It was built in 1950 and reconstructed in 2004, so it is 75 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. Its operating status is: posted for other load-capacity restriction.

It carries about 11,781 vehicles a day, roughly 6% of them trucks, projected to reach 14,311 by 2041. The structure is 28 ft (8.5 m) long and 70 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRTE 9A
CrossesDickey Brook
LocationIn Buchanan S. of Peekski
RouteState Highway 9A
Coordinates41.26652, -73.93664
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width70 ft (21.3 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,781 (2015)
Projected traffic14,311 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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$2.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9A over Dickey Brook built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2004.

What condition is RTE 9A over Dickey Brook 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 2024.

How much traffic does RTE 9A over Dickey Brook carry?

About 11,781 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is RTE 9A over Dickey Brook?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 70 ft wide.

Who owns RTE 9A over Dickey Brook?

It is owned by the State Highway Agency.