Structure 100000060050010 · Carroll County, MD

Md 97 over Morgan Run

Carries Md 97 over Morgan Run, 3.14 Mile South Of Md 32.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT119 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9Substructure 5/9 · sets the rating

119 ft end to end, longest span 59 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 multi-beam bridge.

Built1959rebuilt 2009
Length119.1 ft36.3 m
Daily traffic15,140counted 2009
Last inspectedApril 2024every 24 months

Location

StateMaryland
CountyCarroll
Location3.14 Mile South Of Md 32
CarriesMd 97
CrossesMorgan Run
Coordinates39.47904, -76.99963

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length119.1 ft (36.3 m)
Max Span59.1 ft (18 m)
Deck Width43.6 ft (13.3 m)
Deck Area482.8 sq m
Main Spans3
Year Built1959 (reconstructed 2009)

Traffic

Avg Daily Traffic15,140 (2009)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number100000060050010

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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