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I-66 & Rte. 705 over Trib. of Youngs Branch

Prince William County, Virginia · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

I-66 & Rte. 705 over Trib. of Youngs Branch in Prince William County, Virginia, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 2006, making it 19 years old at the 2025 inventory.
It carries about 119,023 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 139 of the 308 inventoried bridges in Prince William County rated fair (45.1%); 4 (1.3%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition

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

Bridge	Built	Vehicles/day	Condition
I-66 over Trib. of Youngs Branch	2006	119,023	Good
I-95 NB over Occoquan River	1992	92,824	Fair
Interstate 95_NBL over Occoquan ROAD_RTE.906	1962	88,978	Fair
S.b.l. 95 & Hov over Occoquan Road-route 906	1962	81,223	Fair
I-66 Ebl over Bull Run	1961	80,899	Fair
Interstate 66 EB over Sudley Road	2006	80,899	Good