Charles County Bridge Report Card
Charles County scores 62 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Charles County, Maryland
Charles County has 85 bridges in the National Bridge Inventory, with 7 rated poor and 8 rated scour-critical. Its poor-condition share of 8.2% is above the 4.6% statewide average. Poor-condition bridges carry about 13,046 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Charles County a Bridge Condition Exposure Score of 62/100 (D). The county has 85 bridges in the National Bridge Inventory, including 7 in poor condition and 8 rated scour-critical. Poor-condition bridges carry about 13,046 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 | 8.2% | 16.5 |
| Poor-condition traffic exposure | 25 | 2.1% of measured traffic | 1.6 |
| Scour-critical bridge share | 20 | 9.4% | 18.8 |
| Average age vs national baseline | 10 | 52 years vs 48 nationally | 1.6 |
| Traffic-data completeness | 5 | 613,719 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 | 8.2% |
| State Poor-Condition Share | 4.6% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 9.4% |
| Average Bridge Age | 52 years |
| Poor-Condition Traffic Exposure | 13,046 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Charles County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Bryantown Road over Mill Dam Run | Poor condition + traffic exposure | Poor | 1,497 | 1933 |
| Trinity Church RD over Gilbert Swamp Run | Poor condition + traffic exposure | Poor | 656 | 1927 |
| Stines Store Road over Gilbert Swamp Run | Poor condition + traffic exposure | Poor | 137 | 1933 |
| Poplar Hill Road over Zekiah Swamp Run | Poor condition + traffic exposure | Poor | 4,644 | 1969 |
| Davis Road over Piney Branch | Poor condition + traffic exposure | Poor | 4,644 | 2000 |
| Celestial Lane over Swanson Creek | Poor condition + traffic exposure | Poor | 1,228 | 1992 |
| Hancock Run Road over Hancock Run | Poor condition + traffic exposure | Poor | 240 | 1970 |
| Billingsley Road over Mattawoman Creek | Scour-critical foundation rating | Fair | 7,843 | 1984 |
| Bumpy Oak Road over Mattawoman Creek | Scour-critical foundation rating | Fair | 4,509 | 1978 |
| Woodville Road over Swanson Creek | Scour-critical foundation rating | Fair | 1,383 | 1934 |
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.