US Bridges

Nj 35-AMBOY Avenue over Nj Turnpike

Fair

Middlesex County, New Jersey · 1.65 MI E Rt 444 & Nj Tpk · Structure no. M091890

Built
1950
75 years old, rebuilt 1990
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
350 ft
4 main spans
Daily traffic
30,884
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Nj 35-AMBOY Avenue over Nj Turnpike is a steel stringer/multi-beam or girder carrying Nj 35-AMBOY Avenue over Nj Turnpike in Middlesex County, New Jersey. It was built in 1950 and reconstructed in 1990, so it is 75 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 30,884 vehicles a day, roughly 3% of them trucks, projected to reach 37,685 by 2043. The structure is 350 ft (106.7 m) long and 68 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNj 35-AMBOY Avenue
CrossesNj Turnpike
Location1.65 MI E Rt 444 & Nj Tpk
RouteState Highway 35
Coordinates40.54842, -74.27882
Functional classUrban Other Principal Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length350 ft (106.7 m)
Longest span79 ft (24.1 m)
Deck width68 ft (20.7 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,884 (2023)
Projected traffic37,685 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$700,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nj 35-AMBOY Avenue over Nj Turnpike built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1990.

What condition is Nj 35-AMBOY Avenue over Nj Turnpike 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 April 2023.

How much traffic does Nj 35-AMBOY Avenue over Nj Turnpike carry?

About 30,884 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Nj 35-AMBOY Avenue over Nj Turnpike?

The structure is 350 ft (106.7 m) long with a longest span of 79 ft (24.1 m) and a deck 68 ft wide.

Who owns Nj 35-AMBOY Avenue over Nj Turnpike?

It is owned by the State Toll Authority.