US Bridges

West 234th Street over Ex-Nycrr Putnam B

Fair

Bronx County, New York · In Kingsbridge · Structure no. 000000002241520

Built
1915
110 years old, rebuilt 1987
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
1,920
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

West 234th Street over Ex-Nycrr Putnam B is a prestressed concrete box beam or girders - multiple carrying West 234th Street over Ex-Nycrr Putnam B in Bronx County, New York. It was built in 1915 and reconstructed in 1987, so it is 110 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 1,920 vehicles a day, roughly 8% of them trucks, projected to reach 2,688 by 2038. The structure is 63 ft (19.2 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesWest 234th Street
CrossesEx-Nycrr Putnam B
LocationIn Kingsbridge
RouteCity Street 0
Coordinates40.88103, -73.90168
Functional classUrban Local

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.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating53 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span62 ft (18.8 m)
Deck width60 ft (18.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,920 (2018)
Projected traffic2,688 by 2038
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$5.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was West 234th Street over Ex-Nycrr Putnam B built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1987.

What condition is West 234th Street over Ex-Nycrr Putnam B 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 April 2023.

How much traffic does West 234th Street over Ex-Nycrr Putnam B carry?

About 1,920 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is West 234th Street over Ex-Nycrr Putnam B?

The structure is 63 ft (19.2 m) long with a longest span of 62 ft (18.8 m) and a deck 60 ft wide.

Who owns West 234th Street over Ex-Nycrr Putnam B?

It is owned by the City or Municipal Highway Agency.