Dennis Avenue over Sligo Creek

Fair Condition27 years old10,971 vehicles/day

Location

StateMaryland
CountyMontgomery
Location0.7 Miles East Of Md 97
CarriesDennis Avenue
CrossesSligo Creek
Coordinates39.02414, -77.03044

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical7 — Countermeasures installed

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length72.5 ft (22.1 m)
Max Span67.9 ft (20.7 m)
Deck Width48.6 ft (14.8 m)
Deck Area327.1 sq m
Main Spans1
Year Built1999

Traffic

Avg Daily Traffic10,971 (2021)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number200000M-0156010

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