US Bridges

RTE 9A over 59th Street Relief

FairPosted for load

New York County, New York · West Side Highway-W 59 ST · Structure no. 000000002257569

Built
1931
94 years old, rebuilt 1995
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
3,633 ft
4 main spans
Daily traffic
95,281
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

RTE 9A over 59th Street Relief is a steel stringer/multi-beam or girder carrying RTE 9A over 59th Street Relief in New York County, New York. It was built in 1931 and reconstructed in 1995, so it is 94 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. Its operating status is: posted for load restriction.

It carries about 95,281 vehicles a day, roughly 2% of them trucks, projected to reach 117,481 by 2041. The structure is 3,633 ft (1,107.3 m) long and 75 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRTE 9A
Crosses59th Street Relief
LocationWest Side Highway-W 59 ST
CountyNew York County
StateNew York
Coordinates40.7729, -73.99351
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
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.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22 US tons
Inventory rating22 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4 (+60 approach)
Design loadHS 20
Structure length3,633 ft (1,107.3 m)
Longest span113 ft (34.4 m)
Deck width75 ft (22.9 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deck20 ft (6 m)

Traffic and service

Average daily traffic95,281 (2020)
Projected traffic117,481 by 2041
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$207.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 9A over 59th Street Relief built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1995.

What condition is RTE 9A over 59th Street Relief 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 9A over 59th Street Relief carry?

About 95,281 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is RTE 9A over 59th Street Relief?

The structure is 3,633 ft (1,107.3 m) long with a longest span of 113 ft (34.4 m) and a deck 75 ft wide.

Who owns RTE 9A over 59th Street Relief?

It is owned by the City or Municipal Highway Agency.