US Bridges

RTE 9 over RTE 9A

Fair

Westchester County, New York · 1.6 MI S JCT Rts 9+129 · Structure no. 000000001004960

Built
1933
92 years old
Condition
Fair
inspected November 2024
Type
Frame
Concrete
Length
75 ft
1 main span
Daily traffic
15,377
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 9 over RTE 9A is a concrete frame carrying RTE 9 over RTE 9A in Westchester County, New York. It was built in 1933, so it is 92 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 15,377 vehicles a day, roughly 4% of them trucks, projected to reach 15,449 by 2041. The structure is 75 ft (22.9 m) long and 49 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesRTE 9
CrossesRTE 9A
Location1.6 MI S JCT Rts 9+129
RouteU.S. Route 9
CountyWestchester County
StateNew York
Coordinates41.18495, -73.87136
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.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating61.5 US tons
Inventory rating24.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span56 ft (17 m)
Deck width49 ft (14.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,377 (2021)
Projected traffic15,449 by 2041
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5.6 mi (9 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$4 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 9 over RTE 9A built?

It was built in 1933, making it 92 years old in 2025.

What condition is RTE 9 over RTE 9A 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 November 2024.

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

About 15,377 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is RTE 9 over RTE 9A?

The structure is 75 ft (22.9 m) long with a longest span of 56 ft (17 m) and a deck 49 ft wide.

Who owns RTE 9 over RTE 9A?

It is owned by the State Highway Agency.