Structure 100000210079010 · Washington County, MD

Halfway BLVD over Is 81

Carries Halfway BLVD over Is 81, 1.0 Mile North Of Is 70.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT245 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

245 ft end to end, longest span 120 ft: about 3 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.

Built200125 years old
Length245.1 ft74.7 m
Daily traffic13,020counted 2009
Last inspectedAugust 2023every 24 months

Location

StateMaryland
CountyWashington
Location1.0 Mile North Of Is 70
CarriesHalfway BLVD
CrossesIs 81
Coordinates39.62820, -77.77517

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length245.1 ft (74.7 m)
Max Span120.1 ft (36.6 m)
Deck Width116.5 ft (35.5 m)
Deck Area2651.8 sq m
Main Spans2
Year Built2001

Traffic

Avg Daily Traffic13,020 (2009)
Truck Traffic5%
Lanes On Bridge8
Lanes Under Bridge6

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number100000210079010

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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