US Bridges

NJTPK(I-95)NSI-SNI over Lawrence Brook

Fair

Middlesex County, New Jersey · .1 MI N Interchange 9 · Structure no. M083550

Built
1973
52 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
197 ft
3 main spans
Daily traffic
109,530
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

NJTPK(I-95)NSI-SNI over Lawrence Brook is a steel stringer/multi-beam or girder carrying NJTPK(I-95)NSI-SNI over Lawrence Brook in Middlesex County, New Jersey. It was built in 1973, so it is 52 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 fair condition with a lowest component rating of 6 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 109,530 vehicles a day, roughly 1% of them trucks, projected to reach 143,914 by 2043. The structure is 197 ft (60 m) long and 145 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNJTPK(I-95)NSI-SNI
CrossesLawrence Brook
Location.1 MI N Interchange 9
RouteInterstate 95
CountyMiddlesex County
StateNew Jersey
Coordinates40.4798, -74.40351
Functional classUrban Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length197 ft (60 m)
Longest span99 ft (30.2 m)
Deck width145 ft (44.2 m)
Roadway width138 ft (42.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic109,530 (2023)
Projected traffic143,914 by 2043
Trucks1%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 NJTPK(I-95)NSI-SNI over Lawrence Brook built?

It was built in 1973, making it 52 years old in 2025.

What condition is NJTPK(I-95)NSI-SNI over Lawrence Brook 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 May 2023.

How much traffic does NJTPK(I-95)NSI-SNI over Lawrence Brook carry?

About 109,530 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is NJTPK(I-95)NSI-SNI over Lawrence Brook?

The structure is 197 ft (60 m) long with a longest span of 99 ft (30.2 m) and a deck 145 ft wide.

Who owns NJTPK(I-95)NSI-SNI over Lawrence Brook?

It is owned by the State Toll Authority.