US Bridges

S. Marginal HWY over Relief Cut

Fair

Hudson County, New Jersey · S. Marginal over Park St. · Structure no. 0917164

Built
1938
87 years old, rebuilt 2012
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
85 ft
4 main spans
Daily traffic
36,701
2023 count
Owner
State
State Highway Agency

About this bridge

S. Marginal HWY over Relief Cut is a concrete continuous tee beam carrying S. Marginal HWY over Relief Cut in Hudson County, New Jersey. It was built in 1938 and reconstructed in 2012, so it is 87 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 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 36,701 vehicles a day, roughly 3% of them trucks, projected to reach 44,041 by 2043. The structure is 85 ft (25.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesS. Marginal HWY
CrossesRelief Cut
LocationS. Marginal over Park St.
RouteState Highway 495
CountyHudson County
StateNew Jersey
Coordinates40.76825, -74.02333
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 inspectionMarch 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length85 ft (25.9 m)
Longest span26 ft (7.9 m)
Deck width43 ft (13.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,701 (2023)
Projected traffic44,041 by 2043
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$449,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was S. Marginal HWY over Relief Cut built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2012.

What condition is S. Marginal HWY over Relief Cut 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 2023.

How much traffic does S. Marginal HWY over Relief Cut carry?

About 36,701 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S. Marginal HWY over Relief Cut?

The structure is 85 ft (25.9 m) long with a longest span of 26 ft (7.9 m) and a deck 43 ft wide.

Who owns S. Marginal HWY over Relief Cut?

It is owned by the State Highway Agency.