Structure 200000AA2015030 · Anne Arundel County, MD

Harmans Road over Tributary To Stony Run

Carries Harmans Road over Tributary To Stony Run, 0.35 Mi N Of Md 100.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT31 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 31 ft across. Lengths and the car 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, so those are drawn as typical for a culvert.

Built199135 years old
Length31.2 ft9.5 m
Daily traffic8,906counted 2021
Last inspectedMarch 2024every 12 months

Location

StateMaryland
CountyAnne Arundel
Location0.35 Mi N Of Md 100
CarriesHarmans Road
CrossesTributary To Stony Run
Coordinates39.15391, -76.70335

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length31.2 ft (9.5 m)
Max Span2.0 ft (0.6 m)
Deck Area104.5 sq m
Year Built1991

Traffic

Avg Daily Traffic8,906 (2021)
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number200000AA2015030

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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