Structure 700008 · Essex County, NJ

CR 506 Spur over Park Road

Carries CR 506 Spur over Park Road, In Branch Brook Park.

Overall conditionFair

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

How ratings work
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT70 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 6/9 · sets the ratingSubstructure 7/9

70 ft end to end. Lengths and the car 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 deck arch.

Built1904rebuilt 1951
Length69.9 ft21.3 m
Daily traffic21,669counted 2023
Last inspectedJuly 2023every 24 months

Location

StateNew Jersey
CountyEssex
LocationIn Branch Brook Park
CarriesCR 506 Spur
CrossesPark Road
Coordinates40.76443, -74.17937

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length69.9 ft (21.3 m)
Max Span69.9 ft (21.3 m)
Deck Width103.3 ft (31.5 m)
Deck Area671.0 sq m
Main Spans1
Year Built1904 (reconstructed 1951)

Traffic

Avg Daily Traffic21,669 (2023)
Truck Traffic4%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour CriticalNot applicable
Structure Number0700008

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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