US Bridges

Gsp Northbound over Lake Avenue

Fair

Middlesex County, New Jersey · 2.7 MI N of Nj 27 · Structure no. 361346N

Built
1948
77 years old, rebuilt 1976
Condition
Fair
inspected June 2023
Type
Frame
Concrete
Length
55 ft
1 main span
Daily traffic
93,978
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Gsp Northbound over Lake Avenue is a concrete frame carrying Gsp Northbound over Lake Avenue in Middlesex County, New Jersey. It was built in 1948 and reconstructed in 1976, so it is 77 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 93,978 vehicles a day, roughly 1% of them trucks, projected to reach 150,760 by 2043. The structure is 55 ft (16.8 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesGsp Northbound
CrossesLake Avenue
Location2.7 MI N of Nj 27
CountyMiddlesex County
StateNew Jersey
Coordinates40.60611, -74.31357
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating49.3 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span55 ft (16.8 m)
Deck width70 ft (21.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93,978 (2023)
Projected traffic150,760 by 2043
Trucks1%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Gsp Northbound over Lake Avenue built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1976.

What condition is Gsp Northbound over Lake Avenue 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 June 2023.

How much traffic does Gsp Northbound over Lake Avenue carry?

About 93,978 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Gsp Northbound over Lake Avenue?

The structure is 55 ft (16.8 m) long with a longest span of 55 ft (16.8 m) and a deck 70 ft wide.

Who owns Gsp Northbound over Lake Avenue?

It is owned by the State Toll Authority.