US Bridges

W 231st Street over RTE I87 RTE I87

Fair

Bronx County, New York · 2.6 MI N I87+I95 · Structure no. 000000001066970

Built
1955
70 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
99 ft
2 main spans
Daily traffic
6,676
2020 count
Owner
State
State Highway Agency

About this bridge

W 231st Street over RTE I87 RTE I87 is a steel continuous stringer/multi-beam or girder carrying W 231st Street over RTE I87 RTE I87 in Bronx County, New York. It was built in 1955, so it is 70 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.

It carries about 6,676 vehicles a day, roughly 15% of them trucks, projected to reach 13,100 by 2041. The structure is 99 ft (30.1 m) long and 82 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesW 231st Street
CrossesRTE I87 RTE I87
Location2.6 MI N I87+I95
RouteCity Street 0
CountyBronx County
StateNew York
Coordinates40.87848, -73.90379
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionMarch 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 geometry6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length99 ft (30.1 m)
Longest span48 ft (14.6 m)
Deck width82 ft (25.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,676 (2020)
Projected traffic13,100 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 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$10.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was W 231st Street over RTE I87 RTE I87 built?

It was built in 1955, making it 70 years old in 2025.

What condition is W 231st Street over RTE I87 RTE I87 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 March 2024.

How much traffic does W 231st Street over RTE I87 RTE I87 carry?

About 6,676 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is W 231st Street over RTE I87 RTE I87?

The structure is 99 ft (30.1 m) long with a longest span of 48 ft (14.6 m) and a deck 82 ft wide.

Who owns W 231st Street over RTE I87 RTE I87?

It is owned by the State Highway Agency.