Structure 300000BCY112010 · Baltimore County, MD

Is 895 over Boston Street

Carries Is 895 over Boston Street, Mile Point 11.53.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT124 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

124 ft end to end, longest span 74 ft. 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.

Built195769 years old
Length124.0 ft37.8 m
Daily traffic77,721counted 2019
Last inspectedDecember 2023every 24 months

Location

StateMaryland
CountyBaltimore
LocationMile Point 11.53
CarriesIs 895
CrossesBoston Street
Coordinates39.27741, -76.55311

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length124.0 ft (37.8 m)
Max Span74.1 ft (22.6 m)
Deck Width80.1 ft (24.4 m)
Deck Area922.3 sq m
Main Spans3
Year Built1957

Traffic

Avg Daily Traffic77,721 (2019)
Truck Traffic3%
Lanes On Bridge4
Lanes Under Bridge4

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number300000BCY112010

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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