Structure M091890 · Middlesex County, NJ

Nj 35-amboy Avenue over Nj Turnpike

Carries Nj 35-amboy Avenue over Nj Turnpike, 1.65 Mi E RT 444 & Nj Tpk.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT350 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9Substructure 5/9 · sets the rating

350 ft end to end, longest span 79 ft: about 5 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built1950rebuilt 1990
Length350.1 ft106.7 m
Daily traffic30,884counted 2023
Last inspectedApril 2023every 24 months

Location

StateNew Jersey
CountyMiddlesex
Location1.65 Mi E RT 444 & Nj Tpk
CarriesNj 35-amboy Avenue
CrossesNj Turnpike
Coordinates40.54842, -74.27882

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length350.1 ft (106.7 m)
Max Span79.1 ft (24.1 m)
Deck Width67.9 ft (20.7 m)
Deck Area2208.7 sq m
Main Spans4
Year Built1950 (reconstructed 1990)

Traffic

Avg Daily Traffic30,884 (2023)
Truck Traffic3%
Lanes On Bridge4
Lanes Under Bridge16

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberM091890

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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