Structure 2101134 · Warren County, NJ

Millbrook Road over Beaver Brook

Carries Millbrook Road over Beaver Brook, 170 Ft North Of CR 519.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT27 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

27 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 multi-beam bridge.

Built1929rebuilt 2006
Length26.9 ft8.2 m
Daily traffic1,561counted 2023
Last inspectedMarch 2023every 24 months

Location

StateNew Jersey
CountyWarren
Location170 Ft North Of CR 519
CarriesMillbrook Road
CrossesBeaver Brook
Coordinates40.91141, -74.96620

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length26.9 ft (8.2 m)
Max Span24.9 ft (7.6 m)
Deck Width22.6 ft (6.9 m)
Deck Area56.6 sq m
Main Spans1
Year Built1929 (reconstructed 2006)

Traffic

Avg Daily Traffic1,561 (2023)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number2101134

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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