Anne Arundel County Bridge Report Card
Anne Arundel County scores 96 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Anne Arundel County, Maryland
Anne Arundel County has 318 bridges in the National Bridge Inventory, with 4 rated poor and 2 rated scour-critical. Its poor-condition share of 1.3% is at or below the 4.6% statewide average. Poor-condition bridges carry about 7,117 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Anne Arundel County a Bridge Condition Exposure Score of 96/100 (A). The county has 318 bridges in the National Bridge Inventory, including 4 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 7,117 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 | 1.3% | 2.5 |
| Poor-condition traffic exposure | 25 | 0.1% of measured traffic | 0.1 |
| Scour-critical bridge share | 20 | 0.6% | 1.3 |
| Average age vs national baseline | 10 | 45 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 9,290,059 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 | 1.3% |
| State Poor-Condition Share | 4.6% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.6% |
| Average Bridge Age | 45 years |
| Poor-Condition Traffic Exposure | 7,117 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Anne Arundel County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Mckendree Road over Lyons Creek | Poor condition + traffic exposure | Poor | 623 | 1965 |
| Hospital Drive over Marley Creek | Poor condition + traffic exposure | Poor | 5,095 | 1991 |
| Rock AVE over Midway Branch | Poor condition + traffic exposure | Poor | 800 | 1984 |
| Oconnor Road over Deep Run | Poor condition + traffic exposure | Poor | 599 | 1944 |
| Town Center Blvd. over Tributary To Severn Run | Scour-critical foundation rating | Fair | 7,820 | 1988 |
| Is 95/is 495 Rmp P over Is 95/is 495 Ramp B | High traffic | Good | 191,981 | 2005 |
| Is 595 over Is 97 Ebr | High traffic | Fair | 159,360 | 1987 |
| Is 95/495 Il Local over Is 95/is 495 Ramp Q | High traffic | Good | 141,180 | 2006 |
| Is 97 Nbr over Md 3 Business | High traffic | Good | 135,900 | 1990 |
| Is 97 Sbr over Md 3 Business | High traffic | Fair | 135,900 | 1990 |
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.