US Bridges

Central Ave CR 508 over City Subway

PoorPosted for load

Essex County, New Jersey · 1.0 MI SW I-280&NJ21 JCT · Structure no. 0700N06

Built
1908
117 years old
Condition
Poor
inspected September 2024
Type
Truss - Thru
Steel
Length
118 ft
4 main spans
Daily traffic
11,960
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Central Ave CR 508 over City Subway is a steel truss - thru carrying Central Ave CR 508 over City Subway in Essex County, New Jersey. It was built in 1908, so it is 117 years old, older than the New Jersey average of 58.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 11,960 vehicles a day, roughly 4% of them trucks, projected to reach 14,600 by 2044. The structure is 118 ft (36 m) long and 78 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCentral Ave CR 508
CrossesCity Subway
Location1.0 MI SW I-280&NJ21 JCT
RouteCounty Highway 508
Coordinates40.74644, -74.18541
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16 US tons
Inventory rating9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length118 ft (36 m)
Longest span113 ft (34.4 m)
Deck width78 ft (23.8 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,960 (2024)
Projected traffic14,600 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$14.9 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Central Ave CR 508 over City Subway built?

It was built in 1908, making it 117 years old in 2025.

What condition is Central Ave CR 508 over City Subway in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Central Ave CR 508 over City Subway carry?

About 11,960 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Central Ave CR 508 over City Subway?

The structure is 118 ft (36 m) long with a longest span of 113 ft (34.4 m) and a deck 78 ft wide.

Who owns Central Ave CR 508 over City Subway?

It is owned by the City or Municipal Highway Agency.