Structure 100000220043011 · Wicomico County, MD

US 13 NB over US 13 Bu NB And Norfolk

Carries US 13 NB over US 13 Bu NB And Norfolk, 0.47 Mile N Of US 13 Bus.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT332 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

332 ft end to end, longest span 115 ft: about 5 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.

Built198046 years old
Length332.0 ft101.2 m
Daily traffic17,160counted 2009
Last inspectedDecember 2024every 24 months

Location

StateMaryland
CountyWicomico
Location0.47 Mile N Of US 13 Bus
CarriesUS 13 NB
CrossesUS 13 Bu NB And Norfolk
Coordinates38.30141, -75.63517

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length332.0 ft (101.2 m)
Max Span115.2 ft (35.1 m)
Deck Width43.0 ft (13.1 m)
Deck Area1325.7 sq m
Main Spans4
Year Built1980

Traffic

Avg Daily Traffic17,160 (2009)
Truck Traffic8%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number100000220043011

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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