Structure 1813153 · Somerset County, NJ

I-287 SB over US 22 Wb+i-287 Ramp "nc"

Carries I-287 SB over US 22 Wb+i-287 Ramp "nc", 0.85 Mi N Of Nj 28 Jct.

Overall conditionPoor

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating4/9 · Poor
Substructuresets the rating4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT307 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 4/9 · sets the ratingSubstructure 4/9 · sets the rating

307 ft end to end, longest span 103 ft: about 4 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.

Built1960rebuilt 1996
Length307.1 ft93.6 m
Daily traffic42,223counted 2023
Last inspectedMarch 2023every 24 months

Location

StateNew Jersey
CountySomerset
Location0.85 Mi N Of Nj 28 Jct
CarriesI-287 SB
CrossesUS 22 Wb+i-287 Ramp "nc"
Coordinates40.57706, -74.57251

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length307.1 ft (93.6 m)
Max Span103.0 ft (31.4 m)
Deck Width75.5 ft (23 m)
Deck Area2152.8 sq m
Main Spans4
Year Built1960 (reconstructed 1996)

Traffic

Avg Daily Traffic42,223 (2023)
Truck Traffic9%
Lanes On Bridge4
Lanes Under Bridge5

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number1813153

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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