US Bridges

Nj 21 Ramp B over NJT and Myrtle Avenue

Fair

Passaic County, New Jersey · 0.4 MI NW of 3-21 JCT · Structure no. 1603156

Built
1961
64 years old, rebuilt 2016
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
171 ft
2 main spans
Daily traffic
11,970
2023 count
Owner
State
State Highway Agency

About this bridge

Nj 21 Ramp B over NJT and Myrtle Avenue is a steel stringer/multi-beam or girder carrying Nj 21 Ramp B over NJT and Myrtle Avenue in Passaic County, New Jersey. It was built in 1961 and reconstructed in 2016, 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 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 11,970 vehicles a day, roughly 5% of them trucks, projected to reach 14,610 by 2043. The structure is 171 ft (52.1 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNj 21 Ramp B
CrossesNJT and Myrtle Avenue
Location0.4 MI NW of 3-21 JCT
RouteState Highway 21
CountyPassaic County
StateNew Jersey
Coordinates40.8259, -74.12944
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
Deck7 GoodSome minor problems.
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 inspectionFebruary 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 geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating68 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length171 ft (52.1 m)
Longest span80 ft (24.4 m)
Deck width39 ft (11.9 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,970 (2023)
Projected traffic14,610 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nj 21 Ramp B over NJT and Myrtle Avenue built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2016.

What condition is Nj 21 Ramp B over NJT and Myrtle Avenue 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 February 2023.

How much traffic does Nj 21 Ramp B over NJT and Myrtle Avenue carry?

About 11,970 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Nj 21 Ramp B over NJT and Myrtle Avenue?

The structure is 171 ft (52.1 m) long with a longest span of 80 ft (24.4 m) and a deck 39 ft wide.

Who owns Nj 21 Ramp B over NJT and Myrtle Avenue?

It is owned by the State Highway Agency.