Is 270 Ramp C(5) over Is 370 & Ramp B

Good Condition38 years old15,251 vehicles/day

Location

StateMaryland
CountyMontgomery
Location1.53 Mile South Of Md 117
CarriesIs 270 Ramp C(5)
CrossesIs 370 & Ramp B
Coordinates39.12170, -77.19913

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length313.0 ft (95.4 m)
Max Span180.1 ft (54.9 m)
Deck Width44.9 ft (13.7 m)
Deck Area1307.0 sq m
Main Spans2
Year Built1988

Traffic

Avg Daily Traffic15,251 (2006)
Truck Traffic8%
Lanes On Bridge2
Lanes Under Bridge7

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number100000150158010

Nearby Bridges