Is 495 Ramp E(10) over Cabin John Creek

Fair Condition62 years old13,610 vehicles/day

Location

StateMaryland
CountyMontgomery
Location0.12 Mi W Of Is 495x
CarriesIs 495 Ramp E(10)
CrossesCabin John Creek
Coordinates38.98495, -77.15921

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway4 (Poor)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length294.0 ft (89.6 m)
Max Span77.1 ft (23.5 m)
Deck Width28.5 ft (8.7 m)
Deck Area779.5 sq m
Main Spans4
Year Built1964 (reconstructed 1991)

Traffic

Avg Daily Traffic13,610 (2024)
Truck Traffic8%
Lanes On Bridge1

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number100000150107010

Nearby Bridges