Structure 1464157 · Morris County, NJ

Prospect St/cr 513 over Njt Morristown Line

Carries Prospect St/cr 513 over Njt Morristown Line, 200ft So Of Blackwell St..

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT37 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

37 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 slab bridge.

Built201610 years old
Length37.1 ft11.3 m
Daily traffic7,630counted 2023
Last inspectedMarch 2023every 24 months

Location

StateNew Jersey
CountyMorris
Location200ft So Of Blackwell St.
CarriesProspect St/cr 513
CrossesNjt Morristown Line
Coordinates40.88336, -74.56195

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length37.1 ft (11.3 m)
Max Span33.1 ft (10.1 m)
Deck Width42.7 ft (13 m)
Deck Area146.9 sq m
Main Spans1
Year Built2016

Traffic

Avg Daily Traffic7,630 (2023)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerUnknown
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number1464157

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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