Mercer County Bridge Report Card
Mercer County scores 40 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Mercer County, West Virginia
Mercer County has 175 bridges in the National Bridge Inventory, with 44 rated poor and 9 rated scour-critical. Its poor-condition share of 25.1% is above the 17.8% statewide average. Poor-condition bridges carry about 91,640 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Mercer County a Bridge Condition Exposure Score of 40/100 (F). The county has 175 bridges in the National Bridge Inventory, including 44 in poor condition and 9 rated scour-critical. Poor-condition bridges carry about 91,640 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 | 25.1% | 40.0 |
| Poor-condition traffic exposure | 25 | 12.7% of measured traffic | 9.5 |
| Scour-critical bridge share | 20 | 5.1% | 10.3 |
| Average age vs national baseline | 10 | 48 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 723,866 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 | 25.1% |
| State Poor-Condition Share | 17.8% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 5.1% |
| Average Bridge Age | 48 years |
| Poor-Condition Traffic Exposure | 91,640 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Mercer County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| CR 11 over Crane Creek | Poor condition + traffic exposure | Poor | 250 | 1940 |
| Co 219/6 over East River | Poor condition + traffic exposure | Poor | 150 | 1943 |
| County Route 15 over Bluestone River | Poor condition + traffic exposure | Poor | 150 | 1964 |
| Co 20/9 over Bluestone River | Poor condition + traffic exposure | Poor | 90 | 1940 |
| County Route 5/1 over Rich Creek | Poor condition + traffic exposure | Poor | 40 | 1951 |
| County Route 12/7 over Rich Creek | Poor condition + traffic exposure | Poor | 30 | 1976 |
| P&f 802 over Camp Creek | Poor condition + traffic exposure | Poor | 20 | 1950 |
| US 19 over Brush Creek | Poor condition + traffic exposure | Poor | 15,800 | 1977 |
| US 19 over Wv 112 Nsrr East River | Poor condition + traffic exposure | Poor | 15,000 | 1974 |
| CR 27 over Brush Creek | Poor condition + traffic exposure | Poor | 10,100 | 1960 |
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.