Md 355 SB over Is 495 Il

Fair Condition67 years old55,020 vehicles/day

Location

StateMaryland
CountyMontgomery
Location1.31 Miles S Of Md 547
CarriesMd 355 SB
CrossesIs 495 Il
Coordinates39.01739, -77.10206

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length294.0 ft (89.6 m)
Max Span138.1 ft (42.1 m)
Deck Width53.8 ft (16.4 m)
Deck Area1469.4 sq m
Main Spans3
Year Built1959 (reconstructed 1997)

Traffic

Avg Daily Traffic55,020 (2009)
Truck Traffic8%
Lanes On Bridge3
Lanes Under Bridge4

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number100000150120010

Nearby Bridges