Structure 3800056 · Essex County, NJ

Wiley Post Road over Peripheral Ditch

Carries Wiley Post Road over Peripheral Ditch, 3.7 Mi From Nj Tpk Toll.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT179 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

179 ft end to end, longest span 60 ft: about 2 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.

Built1965rebuilt 1966
Length179.1 ft54.6 m
Daily traffic15,451counted 2024
Last inspectedApril 2024every 24 months

Location

StateNew Jersey
CountyEssex
Location3.7 Mi From Nj Tpk Toll
CarriesWiley Post Road
CrossesPeripheral Ditch
Coordinates40.67819, -74.18872

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length179.1 ft (54.6 m)
Max Span60.0 ft (18.3 m)
Deck Width36.4 ft (11.1 m)
Deck Area606.1 sq m
Main Spans3
Year Built1965 (reconstructed 1966)

Traffic

Avg Daily Traffic15,451 (2024)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number3800056

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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