Is 270 over Md 117

Fair Condition72 years old171,940 vehicles/day

Location

StateMaryland
CountyMontgomery
Location0.62 Mile South Of Md 124
CarriesIs 270
CrossesMd 117
Coordinates39.14035, -77.21220

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length123.0 ft (37.5 m)
Max Span55.1 ft (16.8 m)
Deck Width134.5 ft (41 m)
Deck Area1537.5 sq m
Main Spans3
Year Built1954 (reconstructed 1987)

Traffic

Avg Daily Traffic171,940 (2009)
Truck Traffic8%
Lanes On Bridge11
Lanes Under Bridge3

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number100000150045010

Nearby Bridges