Structure 1018165 · Hunterdon County, NJ

Taylors Mill Road over I-78

Carries Taylors Mill Road over I-78, 6.7 Mi East Of RT 31 Jct.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT172 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

172 ft end to end, longest span 83 ft: about 2 semi-trucks nose to tail. 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
Length171.9 ft52.4 m
Daily traffic545counted 2024
Last inspectedApril 2024every 24 months

Location

StateNew Jersey
CountyHunterdon
Location6.7 Mi East Of RT 31 Jct
CarriesTaylors Mill Road
CrossesI-78
Coordinates40.65070, -74.76679

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length171.9 ft (52.4 m)
Max Span83.0 ft (25.3 m)
Deck Width40.4 ft (12.3 m)
Deck Area644.5 sq m
Main Spans2
Year Built1965

Traffic

Avg Daily Traffic545 (2024)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number1018165

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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