Structure 100000030176010 · Baltimore County, MD

Lillian Holt Drive over Is 695

Carries Lillian Holt Drive over Is 695, 0.62 Mile North Of Md 588.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT326 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

326 ft end to end, longest span 160 ft: about 5 semi-trucks nose to tail. 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.

Built200818 years old
Length326.1 ft99.4 m
Daily traffic13,000counted 2008
Last inspectedMarch 2024every 24 months

Location

StateMaryland
CountyBaltimore
Location0.62 Mile North Of Md 588
CarriesLillian Holt Drive
CrossesIs 695
Coordinates39.36074, -76.50594

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length326.1 ft (99.4 m)
Max Span160.1 ft (48.8 m)
Deck Width66.9 ft (20.4 m)
Deck Area2027.8 sq m
Main Spans2
Year Built2008

Traffic

Avg Daily Traffic13,000 (2008)
Truck Traffic2%
Lanes On Bridge4
Lanes Under Bridge10

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number100000030176010

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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