Structure 100000210038010 · Washington County, MD

Md 68 over Antietam Creek

Carries Md 68 over Antietam Creek, 1.9 Miles East Of Md 65.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT133 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

133 ft end to end, longest span 36 ft. 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 deck arch.

Built1833rebuilt 1995
Length132.9 ft40.5 m
Daily traffic2,592counted 2009
Last inspectedMarch 2023every 24 months

Location

StateMaryland
CountyWashington
Location1.9 Miles East Of Md 65
CarriesMd 68
CrossesAntietam Creek
Coordinates39.53759, -77.71015

Physical Characteristics

MaterialMasonry
DesignArch - Deck
Total Length132.9 ft (40.5 m)
Max Span36.1 ft (11 m)
Deck Width24.0 ft (7.3 m)
Deck Area295.6 sq m
Main Spans3
Year Built1833 (reconstructed 1995)

Traffic

Avg Daily Traffic2,592 (2009)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number100000210038010

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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