Structure 361374T · Union County, NJ

Raritan Road over Gsp

Carries Raritan Road over Gsp, 1.2 Miles S Of Nj 28 Jct..

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 6 of 9.

How ratings work
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT241 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 6/9Substructure 6/9

241 ft end to end, longest span 113 ft: about 3 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 rigid-frame bridge.

Built194878 years old
Length241.1 ft73.5 m
Daily traffic19,605counted 2023
Last inspectedJuly 2023every 24 months

Location

StateNew Jersey
CountyUnion
Location1.2 Miles S Of Nj 28 Jct.
CarriesRaritan Road
CrossesGsp
Coordinates40.63981, -74.29071

Physical Characteristics

MaterialConcrete Continuous
DesignFrame
Total Length241.1 ft (73.5 m)
Max Span112.9 ft (34.4 m)
Deck Width55.1 ft (16.8 m)
Deck Area1234.8 sq m
Main Spans2
Year Built1948

Traffic

Avg Daily Traffic19,605 (2023)
Truck Traffic4%
Lanes On Bridge3
Lanes Under Bridge11

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number361374T

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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