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Old Ox Rd. SB over Emergency spillway

Loudoun County, Virginia · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (38.99025, -77.46414)

Component ratings

ComponentRating (2025)FHWA scale meaning
Deck7Good condition
Superstructure7Good condition
Substructure7Good condition

Bridge details

StructureContinuous prestressed concrete stringer or multi-beam girder
Lengthabout 256 ft
Location2.38fr614 0.30to267
NBI structure number000000000030120
Condition classGood

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

Busiest bridges in Loudoun County

BridgeBuiltVehicles/dayCondition
Sully Road over Tributary Horsepen Run1963184,788Fair
Sully Rd. over Cabin Branch1963127,227Fair
Rte. 28 NB over Dulles Access Rd196393,735Fair
Rte. 28 SB over Dulles Access Road198893,735Good
Sully Road RTE.28 over Merrybrook Run196184,996Fair
Harry Byrd Highway over Broad Run194971,111Fair

All bridges nearby: Loudoun County, VA bridge conditions · every bridge in Loudoun County · Virginia bridges.

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