Structure M098760 · Union County, NJ

Njtpk Nsi-sni Rwys over Railroad AVE & Crr Of Nj

Carries Njtpk Nsi-sni Rwys over Railroad AVE & Crr Of Nj, 3 Mi N Rahway River.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,017 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 5/9 · sets the rating

1,017 ft end to end, longest span 84 ft: about 2.8 football fields. 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 1970
Length1017.1 ft310 m
Daily traffic134,112counted 2023
Last inspectedMarch 2023every 24 months

Location

StateNew Jersey
CountyUnion
Location3 Mi N Rahway River
CarriesNjtpk Nsi-sni Rwys
CrossesRailroad AVE & Crr Of Nj
Coordinates40.63173, -74.21175

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length1017.1 ft (310 m)
Max Span84.0 ft (25.6 m)
Deck Width139.4 ft (42.5 m)
Deck Area13,175 sq m
Main Spans14
Year Built1950 (reconstructed 1970)

Traffic

Avg Daily Traffic134,112 (2023)
Truck Traffic1%
Lanes On Bridge6
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberM098760

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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