US Bridges

Nj 18 NB & Ramp a over River RD Brk&bike Path

Good

Middlesex County, New Jersey · 1.57 MI N of Nj 27 JCT · Structure no. 1237158

Built
2004
21 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,043 ft
9 main spans
Daily traffic
20,925
2023 count
Owner
State
State Highway Agency

About this bridge

Nj 18 NB & Ramp a over River RD Brk&bike Path is a steel continuous stringer/multi-beam or girder carrying Nj 18 NB & Ramp a over River RD Brk&bike Path in Middlesex County, New Jersey. It was built in 2004, so it is 21 years old, younger than the New Jersey average of 58.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,925 vehicles a day, roughly 5% of them trucks, projected to reach 25,110 by 2043. The structure is 1,043 ft (317.9 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNj 18 NB & Ramp a
CrossesRiver RD Brk&bike Path
Location1.57 MI N of Nj 27 JCT
RouteState Highway 18
Coordinates40.51168, -74.45886
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 25 or greater
Structure length1,043 ft (317.9 m)
Longest span161 ft (49.1 m)
Deck width52 ft (15.7 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deck18 ft (5.6 m)

Traffic and service

Average daily traffic20,925 (2023)
Projected traffic25,110 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nj 18 NB & Ramp a over River RD Brk&bike Path built?

It was built in 2004, making it 21 years old in 2025.

What condition is Nj 18 NB & Ramp a over River RD Brk&bike Path in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does Nj 18 NB & Ramp a over River RD Brk&bike Path carry?

About 20,925 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Nj 18 NB & Ramp a over River RD Brk&bike Path?

The structure is 1,043 ft (317.9 m) long with a longest span of 161 ft (49.1 m) and a deck 52 ft wide.

Who owns Nj 18 NB & Ramp a over River RD Brk&bike Path?

It is owned by the State Highway Agency.