Structure 300000BCZ472010 · Baltimore County, MD

Md 695 over Patapsco River

Carries Md 695 over Patapsco River, I-695 Over Patapsco River.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
9,091 FT OVERALL1,000 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

9,091 ft end to end, longest span 1,200 ft: about 25 football fields, or 1.7 miles. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 through truss.

Built197650 years old
Length9090.9 ft2770.9 m
Daily traffic30,767counted 2019
Last inspectedMay 2023every 24 months

Location

StateMaryland
CountyBaltimore
LocationI-695 Over Patapsco River
CarriesMd 695
CrossesPatapsco River
Coordinates39.20974, -76.53947

Physical Characteristics

MaterialSteel Continuous
DesignTruss - Thru
Total Length9090.9 ft (2770.9 m)
Max Span1200.1 ft (365.8 m)
Deck Width61.4 ft (18.7 m)
Deck Area51815.8 sq m
Main Spans3
Year Built1976

Traffic

Avg Daily Traffic30,767 (2019)
Truck Traffic10%
Lanes On Bridge4

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number300000BCZ472010

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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