US Bridges

Nj 18 over Campus Road

Good

Middlesex County, New Jersey · 0.41M N of River RD Jctn · Structure no. 1237161

Built
2004
21 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
117 ft
1 main span
Daily traffic
46,791
2024 count
Owner
State
State Highway Agency

About this bridge

Nj 18 over Campus Road is a steel stringer/multi-beam or girder carrying Nj 18 over Campus Road 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 46,791 vehicles a day, roughly 5% of them trucks, projected to reach 57,093 by 2044. The structure is 117 ft (35.7 m) long and 115 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNj 18
CrossesCampus Road
Location0.41M N of River RD Jctn
RouteState Highway 18
Coordinates40.51674, -74.45479
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating63.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length117 ft (35.7 m)
Longest span115 ft (35.1 m)
Deck width115 ft (35 m)
Roadway width108 ft (33 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,791 (2024)
Projected traffic57,093 by 2044
Trucks5%
Lanes on structure5
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nj 18 over Campus Road built?

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

What condition is Nj 18 over Campus Road 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 December 2024.

How much traffic does Nj 18 over Campus Road carry?

About 46,791 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Nj 18 over Campus Road?

The structure is 117 ft (35.7 m) long with a longest span of 115 ft (35.1 m) and a deck 115 ft wide.

Who owns Nj 18 over Campus Road?

It is owned by the State Highway Agency.