Structure 300000BCW563010 · Baltimore County, MD

I-95 Ramp O over Mdta Yard Wetlands

Carries I-95 Ramp O over Mdta Yard Wetlands, Rmp Keith AVE To I95s.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,168 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

1,168 ft end to end, longest span 85 ft: about 3.2 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.

Built197848 years old
Length1168.0 ft356 m
Daily traffic3,828counted 2019
Last inspectedNovember 2023every 24 months

Location

StateMaryland
CountyBaltimore
LocationRmp Keith AVE To I95s
CarriesI-95 Ramp O
CrossesMdta Yard Wetlands
Coordinates39.26565, -76.55850

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length1168.0 ft (356 m)
Max Span85.0 ft (25.9 m)
Deck Width27.2 ft (8.3 m)
Deck Area2954.8 sq m
Main Spans13
Year Built1978

Traffic

Avg Daily Traffic3,828 (2019)
Truck Traffic35%
Lanes On Bridge3

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 Number300000BCW563010

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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