Structure 100000180020010 · St. Mary's County, MD

Md 242 over ST Clements Creek

Carries Md 242 over ST Clements Creek, 0.52 Mile North Of Md 234.

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
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT81 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

81 ft end to end, longest span 26 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.

Built200026 years old
Length81.0 ft24.7 m
Daily traffic2,371counted 2009
Last inspectedDecember 2024every 24 months

Location

StateMaryland
CountySt. Mary's
Location0.52 Mile North Of Md 234
CarriesMd 242
CrossesST Clements Creek
Coordinates38.33351, -76.72536

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length81.0 ft (24.7 m)
Max Span25.9 ft (7.9 m)
Deck Width41.0 ft (12.5 m)
Deck Area308.8 sq m
Main Spans3
Year Built2000

Traffic

Avg Daily Traffic2,371 (2009)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number100000180020010

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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