US Bridges

Ramp 3 (3 to 21NB) over Nj 21

Fair

Passaic County, New Jersey · 0.19MI N of NJ3&NJ21 JCT · Structure no. 1603157

Built
1961
64 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
652 ft
9 main spans
Daily traffic
16,004
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp 3 (3 to 21NB) over Nj 21 is a steel stringer/multi-beam or girder carrying Ramp 3 (3 to 21NB) over Nj 21 in Passaic County, New Jersey. It was built in 1961, so it is 64 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 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 16,004 vehicles a day, roughly 5% of them trucks, projected to reach 19,528 by 2043. The structure is 652 ft (198.7 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRamp 3 (3 to 21NB)
CrossesNj 21
Location0.19MI N of NJ3&NJ21 JCT
RouteState Highway 3
CountyPassaic County
StateNew Jersey
Coordinates40.8259, -74.12369
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.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length652 ft (198.7 m)
Longest span93 ft (28.3 m)
Deck width39 ft (11.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,004 (2023)
Projected traffic19,528 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp 3 (3 to 21NB) over Nj 21 built?

It was built in 1961, making it 64 years old in 2025.

What condition is Ramp 3 (3 to 21NB) over Nj 21 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 Ramp 3 (3 to 21NB) over Nj 21 carry?

About 16,004 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Ramp 3 (3 to 21NB) over Nj 21?

The structure is 652 ft (198.7 m) long with a longest span of 93 ft (28.3 m) and a deck 39 ft wide.

Who owns Ramp 3 (3 to 21NB) over Nj 21?

It is owned by the State Highway Agency.