Structure 100000130108014 · Howard County, MD

Md 32 WB over US 1

Carries Md 32 WB over US 1, 1.50 Miles N Of Aa Co.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT222 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

222 ft end to end, longest span 111 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 girder bridge.

Built198343 years old
Length222.1 ft67.7 m
Daily traffic80,612counted 2009
Last inspectedOctober 2024every 24 months

Location

StateMaryland
CountyHoward
Location1.50 Miles N Of Aa Co
CarriesMd 32 WB
CrossesUS 1
Coordinates39.13874, -76.81269

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length222.1 ft (67.7 m)
Max Span110.9 ft (33.8 m)
Deck Width43.0 ft (13.1 m)
Deck Area886.9 sq m
Main Spans2
Year Built1983

Traffic

Avg Daily Traffic80,612 (2009)
Truck Traffic8%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number100000130108014

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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