Structure 100000070006030 · Cecil County, MD

Md 7b over Mill Creek

Carries Md 7b over Mill Creek, 0.13 Mile South Of Md 327.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT65 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

65 ft end to end. 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.

Built200620 years old
Length65.0 ft19.8 m
Daily traffic1,700counted 2009
Last inspectedJuly 2023every 24 months

Location

StateMaryland
CountyCecil
Location0.13 Mile South Of Md 327
CarriesMd 7b
CrossesMill Creek
Coordinates39.56197, -76.06719

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length65.0 ft (19.8 m)
Max Span55.1 ft (16.8 m)
Deck Width40.0 ft (12.2 m)
Deck Area241.6 sq m
Main Spans1
Year Built2006

Traffic

Avg Daily Traffic1,700 (2009)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number100000070006030

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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