Alleghany County Bridge Report Card
Alleghany County scores 85 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Alleghany County, Virginia
Alleghany County has 196 bridges in the National Bridge Inventory, with 8 rated poor and 1 rated scour-critical. Its poor-condition share of 4.1% is above the 3.4% statewide average. Poor-condition bridges carry about 8,386 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Alleghany County a Bridge Condition Exposure Score of 85/100 (B). The county has 196 bridges in the National Bridge Inventory, including 8 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 8,386 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 4.1% | 8.2 |
| Poor-condition traffic exposure | 25 | 1.8% of measured traffic | 1.4 |
| Scour-critical bridge share | 20 | 0.5% | 1.0 |
| Average age vs national baseline | 10 | 59 years vs 48 nationally | 4.6 |
| Traffic-data completeness | 5 | 465,576 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 4.1% |
| State Poor-Condition Share | 3.4% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.5% |
| Average Bridge Age | 59 years |
| Poor-Condition Traffic Exposure | 8,386 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Alleghany County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Venus Way Ext. over Smith Creek | Poor condition + traffic exposure | Poor | 200 | 1972 |
| Lowmoor Selma Road over I-64 & Rtes 60 & 220 | Poor condition + traffic exposure | Poor | 5,229 | 1964 |
| Cowpasture Rivr RD over Csx Railway | Poor condition + traffic exposure | Poor | 1,358 | 1956 |
| Dunlap Creek Road over Dunlap Creek | Poor condition + traffic exposure | Poor | 649 | 1928 |
| Dunlap Creek Road over Dunlap Creek | Poor condition + traffic exposure | Poor | 649 | 1928 |
| Johnson Creek Road over Johnson Creek | Poor condition + traffic exposure | Poor | 146 | 1975 |
| Jerrys Run Trail over Jerrys Run | Poor condition + traffic exposure | Poor | 120 | 1967 |
| Nida Lane over Mill Branch | Poor condition + traffic exposure | Poor | 35 | 1974 |
| Route 0064 over Pounding Mill Run | High traffic | Fair | 17,117 | 1966 |
| Route 0064 over East Branch | High traffic | Good | 12,379 | 1971 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.