Structure 1023159 · Hunterdon County, NJ

US 202 NB over Nj 31

Carries US 202 NB over Nj 31, 1.25 Mi S Of Co 514 Jct.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT134 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 7/9

134 ft end to end, longest span 71 ft. 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.

Built196561 years old
Length133.9 ft40.8 m
Daily traffic17,618counted 2024
Last inspectedJune 2024every 24 months

Location

StateNew Jersey
CountyHunterdon
Location1.25 Mi S Of Co 514 Jct
CarriesUS 202 NB
CrossesNj 31
Coordinates40.42306, -74.86556

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length133.9 ft (40.8 m)
Max Span70.9 ft (21.6 m)
Deck Width44.0 ft (13.4 m)
Deck Area546.7 sq m
Main Spans3
Year Built1965

Traffic

Avg Daily Traffic17,618 (2024)
Truck Traffic4%
Lanes On Bridge2
Lanes Under Bridge3

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number1023159

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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