Structure 300000BCW535011 · Baltimore County, MD

Is 95 NB over B&o Rr

Carries Is 95 NB over B&o Rr, Milepost M52.0.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,361 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

1,361 ft end to end, longest span 166 ft: about 3.8 football fields. 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.

Built198244 years old
Length1360.9 ft414.8 m
Daily traffic91,311counted 2019
Last inspectedNovember 2023every 24 months

Location

StateMaryland
CountyBaltimore
LocationMilepost M52.0
CarriesIs 95 NB
CrossesB&o Rr
Coordinates39.27027, -76.64112

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1360.9 ft (414.8 m)
Max Span166.0 ft (50.6 m)
Deck Width74.1 ft (22.6 m)
Deck Area9374.5 sq m
Main Spans10
Year Built1982

Traffic

Avg Daily Traffic91,311 (2019)
Truck Traffic8%
Lanes On Bridge4

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number300000BCW535011

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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