Observation Drive over Little Seneca Creek

Good Condition32 years old11,584 vehicles/day

Location

StateMaryland
CountyMontgomery
Location0.3 Miles East Of I-270
CarriesObservation Drive
CrossesLittle Seneca Creek
Coordinates39.19469, -77.25450

Condition Ratings

Overall ConditionGood
Channel/Waterway7 (Good)
Culvert7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length39.4 ft (12 m)
Max Span14.1 ft (4.3 m)
Deck Area248.4 sq m
Year Built1994

Traffic

Avg Daily Traffic11,584 (2022)
Truck Traffic1%
Lanes On Bridge4

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number200000M-0410010

Nearby Bridges