Bridge conditions in Alleghany County, Virginia
196 inventoried bridges · 8 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Alleghany County tracks close to typical: 8 of its 196 inventoried bridges (4.1%) are rated poor, against a national rate of about 7%.
- 8 of the 196 bridges in Alleghany County, Virginia, are rated in poor condition (4.1%) in the 2025 National Bridge Inventory, as of .
- 52 bridges (26.5%) are rated good and 136 (69.4%) fair.
- The median Alleghany County bridge was built in 1966.
- The busiest poor-rated bridge is Lowmoor Selma Road over I-64 & RTEs 60 & 220 (built 1964), carrying about 5,229 vehicles a day.
Good 26.5% · Fair 69.4% · Poor 4.1% of 196 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Lowmoor Selma Road over I-64 & RTEs 60 & 220 | 1964 | 5,229 | Poor |
| Cowpasture Rivr Rd over CSX Railway | 1956 | 1,358 | Poor |
| Dunlap Creek Road over Dunlap Creek | 1928 | 649 | Poor |
| Dunlap Creek Road over Dunlap Creek | 1928 | 649 | Poor |
| Venus Way Ext. over Smith Creek | 1972 | 200 | Poor |
| Johnson Creek Road over Johnson Creek | 1975 | 146 | Poor |
| Jerrys Run Trail over Jerrys Run | 1967 | 120 | Poor |
| Nida Lane over Mill Branch | 1974 | 35 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Route 0064 over Pounding Mill Run | 1966 | 17,117 | Fair |
| Route 0064 over East Branch | 1971 | 12,379 | Good |
| S Durant Road over Jackson River | 1971 | 9,699 | Fair |
| Route 0064 over Harmon Run | 1966 | 9,697 | Fair |
| Route 0064 over South Fork | 1966 | 9,141 | Fair |
| I-64 over Thorny Branch | 1966 | 9,141 | Fair |
| Ebl Route 0064 over Karnes Creek | 1954 | 8,765 | Fair |
| Ebl Route 0064 over Jackson River | 2004 | 8,765 | Good |
| Wbl Route 0064 over Rtes 60 & 220 | 1971 | 8,728 | Fair |
| Wbl Route 0064 over Karnes Creek | 1954 | 8,352 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Virginia: Virginia bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.