US Bridges

RTE 9A over Dyckman Street

Fair

New York County, New York · 6.5 MI NE Route 9A+79 ST · Structure no. 000000002229420

Built
1937
88 years old, rebuilt 2013
Condition
Fair
inspected August 2023
Type
Arch - Deck
Concrete
Length
236 ft
1 main span
Daily traffic
89,532
2020 count
Owner
Toll Authority
Local Toll Authority

About this bridge

RTE 9A over Dyckman Street is a concrete arch - deck carrying RTE 9A over Dyckman Street in New York County, New York. It was built in 1937 and reconstructed in 2013, so it is 88 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 89,532 vehicles a day, roughly 1% of them trucks, projected to reach 110,392 by 2041. The structure is 236 ft (71.9 m) long and 55 ft wide.

CarriesRTE 9A
CrossesDyckman Street
Location6.5 MI NE Route 9A+79 ST
RouteState Highway 9A
Coordinates40.86847, -73.93102
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadUnknown
Structure length236 ft (71.9 m)
Longest span122 ft (37.1 m)
Deck width55 ft (16.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89,532 (2020)
Projected traffic110,392 by 2041
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$32.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 9A over Dyckman Street built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2013.

What condition is RTE 9A over Dyckman Street 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 August 2023.

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

About 89,532 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is RTE 9A over Dyckman Street?

The structure is 236 ft (71.9 m) long with a longest span of 122 ft (37.1 m) and a deck 55 ft wide.

Who owns RTE 9A over Dyckman Street?

It is owned by the Local Toll Authority.