Structure 18K0903 · Somerset County, NJ

Morning Glory Road over Middle Brook

Carries Morning Glory Road over Middle Brook, 0.07 Mi S Of CR 616.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT60 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

60 ft end to end, longest span 28 ft. 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 slab bridge.

Built199630 years old
Length60.0 ft18.3 m
Daily traffic7,849counted 2023
Last inspectedSeptember 2023every 24 months

Location

StateNew Jersey
CountySomerset
Location0.07 Mi S Of CR 616
CarriesMorning Glory Road
CrossesMiddle Brook
Coordinates40.60583, -74.50856

Physical Characteristics

MaterialWood or Timber
DesignSlab
Total Length60.0 ft (18.3 m)
Max Span27.9 ft (8.5 m)
Deck Width38.1 ft (11.6 m)
Deck Area212.3 sq m
Main Spans2
Year Built1996

Traffic

Avg Daily Traffic7,849 (2023)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number18K0903

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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