US Bridges

Njtpk Int 9 Rp Nt over Lawrence Brook

Fair

Middlesex County, New Jersey · .1 MI N Interchange 9 · Structure no. M083530

Built
1951
74 years old, rebuilt 1972
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
252 ft
3 main spans
Daily traffic
22,562
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Njtpk Int 9 Rp Nt over Lawrence Brook is a steel stringer/multi-beam or girder carrying Njtpk Int 9 Rp Nt over Lawrence Brook in Middlesex County, New Jersey. It was built in 1951 and reconstructed in 1972, so it is 74 years old, older 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 22,562 vehicles a day, roughly 7% of them trucks, projected to reach 40,014 by 2043. The structure is 252 ft (76.8 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNjtpk Int 9 Rp Nt
CrossesLawrence Brook
Location.1 MI N Interchange 9
RouteInterstate 95
CountyMiddlesex County
StateNew Jersey
Coordinates40.48014, -74.40482
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating61.1 US tons
Inventory rating47.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length252 ft (76.8 m)
Longest span99 ft (30.2 m)
Deck width76 ft (23.2 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,562 (2023)
Projected traffic40,014 by 2043
Trucks7%
Lanes on structure2
Traffic directionOne-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 Int 9 Rp Nt over Lawrence Brook built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1972.

What condition is Njtpk Int 9 Rp Nt 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 Int 9 Rp Nt over Lawrence Brook carry?

About 22,562 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Njtpk Int 9 Rp Nt over Lawrence Brook?

The structure is 252 ft (76.8 m) long with a longest span of 99 ft (30.2 m) and a deck 76 ft wide.

Who owns Njtpk Int 9 Rp Nt over Lawrence Brook?

It is owned by the State Toll Authority.