Marion County Bridge Report Card
Marion County scores 46 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Marion County, West Virginia
Marion County has 193 bridges in the National Bridge Inventory, with 41 rated poor and 0 rated scour-critical. Its poor-condition share of 21.2% is above the 17.8% statewide average. Poor-condition bridges carry about 129,042 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Marion County a Bridge Condition Exposure Score of 46/100 (F). The county has 193 bridges in the National Bridge Inventory, including 41 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 129,042 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 | 21.2% | 40.0 |
| Poor-condition traffic exposure | 25 | 18.3% of measured traffic | 13.7 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 48 years vs 48 nationally | 0.2 |
| Traffic-data completeness | 5 | 705,322 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 | 21.2% |
| State Poor-Condition Share | 17.8% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 48 years |
| Poor-Condition Traffic Exposure | 129,042 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Marion County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Interstate 79 SB over Wv 310 | Poor condition + traffic exposure | Poor | 21,200 | 1966 |
| Interstate 79 SB over Marion County Rt. 76 | Poor condition + traffic exposure | Poor | 16,200 | 1967 |
| I 79 NB over Marion CR 33 | Poor condition + traffic exposure | Poor | 15,950 | 1968 |
| I 79 SB over Marion CR 33 | Poor condition + traffic exposure | Poor | 15,950 | 1968 |
| Interstate 79 NB over Marion County Rt. 76 | Poor condition + traffic exposure | Poor | 15,600 | 1967 |
| County Route 73 over Prickett Creek | Poor condition + traffic exposure | Poor | 6,900 | 1955 |
| Wv Route 218 over Helens Run | Poor condition + traffic exposure | Poor | 5,400 | 1939 |
| Wv Route 218 over Helens Run | Poor condition + traffic exposure | Poor | 4,000 | 1924 |
| Wv Route 218 over Helens Run | Poor condition + traffic exposure | Poor | 4,000 | 1924 |
| Marion Co RT 1 over Pyles Fork | Poor condition + traffic exposure | Poor | 3,300 | 1926 |
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.