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Jones Mill Road over Purple Line / Capital CR

Montgomery County, Maryland · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (38.99791, -77.06585)

Component ratings

ComponentRating (2025)FHWA scale meaning
Superstructure8Very good condition
Substructure8Very good condition

Bridge details

StructureConcrete deck arch
Lengthabout 62 ft
Location1.0 Miles South of I-495
NBI structure number200000M-0527010
Condition classGood

Source: FHWA National Bridge Inventory, 2025 data as reported by the Maryland department of transportation.

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Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.