US Bridges

Middlesex-Essex Tp over Gsp

Fair

Middlesex County, New Jersey · 0.20 Mile South of Nj 27 · Structure no. 361318T

Built
1949
76 years old
Condition
Fair
inspected June 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
151 ft
2 main spans
Daily traffic
22,856
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Middlesex-Essex Tp over Gsp is a steel continuous girder and floorbeam system carrying Middlesex-Essex Tp over Gsp in Middlesex County, New Jersey. It was built in 1949, so it is 76 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 5 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 22,856 vehicles a day, roughly 3% of them trucks, projected to reach 27,890 by 2043. The structure is 151 ft (46 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMiddlesex-Essex Tp
CrossesGsp
Location0.20 Mile South of Nj 27
RouteCounty Highway 657
CountyMiddlesex County
StateNew Jersey
Coordinates40.56859, -74.32656
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45 US tons
Inventory rating34.6 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length151 ft (46 m)
Longest span73 ft (22.3 m)
Deck width44 ft (13.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,856 (2023)
Projected traffic27,890 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Middlesex-Essex Tp over Gsp built?

It was built in 1949, making it 76 years old in 2025.

What condition is Middlesex-Essex Tp over Gsp 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 Middlesex-Essex Tp over Gsp carry?

About 22,856 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Middlesex-Essex Tp over Gsp?

The structure is 151 ft (46 m) long with a longest span of 73 ft (22.3 m) and a deck 44 ft wide.

Who owns Middlesex-Essex Tp over Gsp?

It is owned by the State Toll Authority.