US Bridges

Nj Tpk Nso Roadway over Shallow Brook (wetlands)

Good

Middlesex County, New Jersey · 0.77 MI S of Exit 8A · Structure no. M07310S

Built
1990
35 years old
Condition
Good
inspected March 2023
Type
Tee Beam
Concrete
Length
73 ft
2 main spans
Daily traffic
32,299
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Nj Tpk Nso Roadway over Shallow Brook (wetlands) is a concrete tee beam carrying Nj Tpk Nso Roadway over Shallow Brook (wetlands) in Middlesex County, New Jersey. It was built in 1990, so it is 35 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 32,299 vehicles a day, roughly 33% of them trucks, projected to reach 48,415 by 2043. The structure is 73 ft (22.3 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNj Tpk Nso Roadway
CrossesShallow Brook (wetlands)
Location0.77 MI S of Exit 8A
RouteInterstate 95
CountyMiddlesex County
StateNew Jersey
Coordinates40.34045, -74.47849
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating32.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length73 ft (22.3 m)
Longest span65 ft (19.8 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,299 (2023)
Projected traffic48,415 by 2043
Trucks33%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nj Tpk Nso Roadway over Shallow Brook (wetlands) built?

It was built in 1990, making it 35 years old in 2025.

What condition is Nj Tpk Nso Roadway over Shallow Brook (wetlands) 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 March 2023.

How much traffic does Nj Tpk Nso Roadway over Shallow Brook (wetlands) carry?

About 32,299 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is Nj Tpk Nso Roadway over Shallow Brook (wetlands)?

The structure is 73 ft (22.3 m) long with a longest span of 65 ft (19.8 m) and a deck 30 ft wide.

Who owns Nj Tpk Nso Roadway over Shallow Brook (wetlands)?

It is owned by the State Toll Authority.