US Bridges

New Street over Route Nj 18

Good

Middlesex County, New Jersey · .35 Mile So.Of Rt 27 · Structure no. 1214151

Built
2006
19 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
213 ft
2 main spans
Daily traffic
15,660
2024 count
Owner
State
State Highway Agency

About this bridge

New Street over Route Nj 18 is a steel continuous stringer/multi-beam or girder carrying New Street over Route Nj 18 in Middlesex County, New Jersey. It was built in 2006, so it is 19 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 15,660 vehicles a day, roughly 3% of them trucks, projected to reach 19,105 by 2044. The structure is 213 ft (64.9 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNew Street
CrossesRoute Nj 18
Location.35 Mile So.Of Rt 27
RouteCity Street 0
Coordinates40.49263, -74.43935
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating75 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length213 ft (64.9 m)
Longest span104 ft (31.7 m)
Deck width64 ft (19.4 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,660 (2024)
Projected traffic19,105 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was New Street over Route Nj 18 built?

It was built in 2006, making it 19 years old in 2025.

What condition is New Street over Route Nj 18 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 October 2024.

How much traffic does New Street over Route Nj 18 carry?

About 15,660 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is New Street over Route Nj 18?

The structure is 213 ft (64.9 m) long with a longest span of 104 ft (31.7 m) and a deck 64 ft wide.

Who owns New Street over Route Nj 18?

It is owned by the State Highway Agency.