Structure 100000210141010 · Washington County, MD

Is 70 EB Cd over Is 81

Carries Is 70 EB Cd over Is 81, 0.35 Mi W Of US 11.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT274 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 5/9 · sets the rating

274 ft end to end, longest span 56 ft: about 4 semi-trucks nose to tail. 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 multi-beam bridge.

Built1964rebuilt 1973
Length274.0 ft83.5 m
Daily traffic6,988counted 2006
Last inspectedSeptember 2023every 24 months

Location

StateMaryland
CountyWashington
Location0.35 Mi W Of US 11
CarriesIs 70 EB Cd
CrossesIs 81
Coordinates39.61717, -77.78606

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length274.0 ft (83.5 m)
Max Span56.1 ft (17.1 m)
Deck Width38.1 ft (11.6 m)
Deck Area968.6 sq m
Main Spans6
Year Built1964 (reconstructed 1973)

Traffic

Avg Daily Traffic6,988 (2006)
Truck Traffic8%
Lanes On Bridge2
Lanes Under Bridge8

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number100000210141010

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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