US Bridges

Bridge ST (cr 508) over Passaic River

Poor

Essex County, New Jersey · 0.3 MI SE I-280&NJ21 JCT · Structure no. 0700H03

Built
1913
112 years old, rebuilt 1981
Condition
Poor
inspected September 2024
Type
Movable - Swing
Steel
Length
371 ft
2 main spans
Daily traffic
10,820
2024 count
Owner
County
County Highway Agency

About this bridge

Bridge ST (cr 508) over Passaic River is a steel movable - swing carrying Bridge ST (cr 508) over Passaic River in Essex County, New Jersey. It was built in 1913 and reconstructed in 1981, so it is 112 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.

It carries about 10,820 vehicles a day, roughly 4% of them trucks, projected to reach 31,210 by 2044. The structure is 371 ft (113.1 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBridge ST (cr 508)
CrossesPassaic River
Location0.3 MI SE I-280&NJ21 JCT
RouteCounty Highway 508
Coordinates40.74514, -74.16643
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckOpen grating
Main spans2 (+2 approach)
Design loadUnknown
Structure length371 ft (113.1 m)
Longest span122 ft (37.2 m)
Deck width40 ft (12.3 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic10,820 (2024)
Projected traffic31,210 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$4.2 million (2022 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Bridge ST (cr 508) over Passaic River built?

It was built in 1913, making it 112 years old in 2025. It was reconstructed in 1981.

What condition is Bridge ST (cr 508) over Passaic River 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 Bridge ST (cr 508) over Passaic River carry?

About 10,820 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Bridge ST (cr 508) over Passaic River?

The structure is 371 ft (113.1 m) long with a longest span of 122 ft (37.2 m) and a deck 40 ft wide.

Who owns Bridge ST (cr 508) over Passaic River?

It is owned by the County Highway Agency.