Structure M09136A · Middlesex County, NJ

Njtpk Int.11 R.nit over Njtpk Nsi-sni-sno Rwys

Carries Njtpk Int.11 R.nit over Njtpk Nsi-sni-sno Rwys, 1.15 Mi E Rt. 444 & Njtpk.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT823 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

823 ft end to end, longest span 78 ft: about 2.3 football fields. 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.

Built197056 years old
Length823.2 ft250.9 m
Daily traffic21,801counted 2023
Last inspectedMay 2023every 24 months

Location

StateNew Jersey
CountyMiddlesex
Location1.15 Mi E Rt. 444 & Njtpk
CarriesNjtpk Int.11 R.nit
CrossesNjtpk Nsi-sni-sno Rwys
Coordinates40.54553, -74.28615

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length823.2 ft (250.9 m)
Max Span78.1 ft (23.8 m)
Deck Width42.0 ft (12.8 m)
Deck Area3211.5 sq m
Main Spans11
Year Built1970

Traffic

Avg Daily Traffic21,801 (2023)
Truck Traffic1%
Lanes On Bridge2
Lanes Under Bridge9

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberM09136A

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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