Structure 1000088 · Hunterdon County, NJ

Newport Road over Spruce Run

Carries Newport Road over Spruce Run, 0.06 Mi.no Of Red Mill RD.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 4 of 9.

How ratings work
Superstructuresets the rating4/9 · Poor
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
21 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 4/9 · sets the ratingSubstructure 6/9

21 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built1900126 years old
Length21.0 ft6.4 m
Daily traffic486counted 2023
Last inspectedApril 2023every 24 months

Location

StateNew Jersey
CountyHunterdon
Location0.06 Mi.no Of Red Mill RD
CarriesNewport Road
CrossesSpruce Run
Coordinates40.72487, -74.90949

Physical Characteristics

MaterialMasonry
DesignArch - Deck
Total Length21.0 ft (6.4 m)
Max Span21.0 ft (6.4 m)
Deck Width14.8 ft (4.5 m)
Deck Area28.8 sq m
Main Spans1
Year Built1900

Traffic

Avg Daily Traffic486 (2023)
Truck Traffic5%
Lanes On Bridge1

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number1000088

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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