Structure M09718A · Union County, NJ

Nj Tpk 97 U-turn over Nj.tpk.nso Nsi Sni Sno

Carries Nj Tpk 97 U-turn over Nj.tpk.nso Nsi Sni Sno, 1 Mi N Rahway River.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
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 FT318 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

318 ft end to end, longest span 89 ft: about 4 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.

Built1969rebuilt 1995
Length317.9 ft96.9 m
Daily traffic374counted 2023
Last inspectedJune 2023every 24 months

Location

StateNew Jersey
CountyUnion
Location1 Mi N Rahway River
CarriesNj Tpk 97 U-turn
CrossesNj.tpk.nso Nsi Sni Sno
Coordinates40.61192, -74.22388

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length317.9 ft (96.9 m)
Max Span88.9 ft (27.1 m)
Deck Width29.9 ft (9.1 m)
Deck Area881.8 sq m
Main Spans4
Year Built1969 (reconstructed 1995)

Traffic

Avg Daily Traffic374 (2023)
Truck Traffic15%
Lanes On Bridge2
Lanes Under Bridge14

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberM09718A

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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