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Sylvatus Hwy/Rt100 over Rock Creek

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

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

Sylvatus Hwy/Rt100 over Rock Creek in Carroll County, Virginia, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1942 and reconstructed in 2017, making it 83 years old at the 2025 inventory.
It carries about 3,613 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 92 of the 161 inventoried bridges in Carroll County rated fair (57.1%); 2 (1.2%) 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


Structure	Prestressed concrete multiple box beam
Length	about 47 ft
Location	0.06-Rte828;0.92-Wythe CL
NBI structure number	000000000004608
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Route I-77 over Handy Creek	1977	39,786	Fair
Route I-77 over E Frk Little Reed Isl Cr	1977	33,278	Fair
NBL Rte. I-77 over Rt58&221/Carrollton Pike	1978	22,023	Fair
Nbl Route 0077 over Pleasant View Rd/Rt 743	1977	21,693	Fair
Sbl Route 0077 over Rte 148_CHANCES Creek Rd	1976	20,539	Fair
SBL Route I-77 over Lambsburg Rd./Rte. 620	1976	20,539	Fair