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Md 109 over Little Bennett Creek

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

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (39.27784, -77.32322)

Component ratings

ComponentRating (2024)Rating (2025)FHWA scale meaning
Deck77Good condition
Superstructure66Satisfactory condition
Substructure66Satisfactory condition

Bridge details

StructureSteel stringer or multi-beam girder
Lengthabout 64 ft
LocationUnder Is 270 Overpass
NBI structure number100000150099010
Condition classFair
Traffic status (item 41)Open, no restriction
Last inspection (item 90)April 2024
Inspection interval (item 91)24 months
Scour (item 113)8: foundations stable, scour above the top of the footing

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.