Structure 200000BC8027010 · Baltimore County, MD

Greenmount Avenue over Csx Railroad

Carries Greenmount Avenue over Csx Railroad, 0.5 Mi N Of North AVE.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 4 of 9.

How ratings work
Superstructuresets the rating4/9 · Poor
Substructure5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT27 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 4/9 · sets the ratingSubstructure 5/9

27 ft end to end. 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 or the layout of the shorter spans, so those are drawn as typical for a deck arch.

Built1914rebuilt 1975
Length26.9 ft8.2 m
Daily traffic10,713counted 2016
Last inspectedApril 2024every 24 months

Location

StateMaryland
CountyBaltimore
Location0.5 Mi N Of North AVE
CarriesGreenmount Avenue
CrossesCsx Railroad
Coordinates39.31928, -76.60937

Physical Characteristics

MaterialMasonry
DesignArch - Deck
Total Length26.9 ft (8.2 m)
Max Span26.9 ft (8.2 m)
Deck Width64.0 ft (19.5 m)
Deck Area159.9 sq m
Main Spans1
Year Built1914 (reconstructed 1975)

Traffic

Avg Daily Traffic10,713 (2016)
Truck Traffic5%
Lanes On Bridge4

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number200000BC8027010

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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