Portsmouth County Bridge Report Card
Portsmouth County scores 96 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Portsmouth County, Virginia
Portsmouth County has 50 bridges in the National Bridge Inventory, with 1 rated poor and 0 rated scour-critical. Its poor-condition share of 2.0% is at or below the 3.4% statewide average. Poor-condition bridges carry about 6,581 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Portsmouth County a Bridge Condition Exposure Score of 96/100 (A). The county has 50 bridges in the National Bridge Inventory, including 1 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 6,581 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 | 2.0% | 4.0 |
| Poor-condition traffic exposure | 25 | 0.5% of measured traffic | 0.4 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 40 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 1,362,265 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 | 2.0% |
| State Poor-Condition Share | 3.4% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 40 years |
| Poor-Condition Traffic Exposure | 6,581 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Portsmouth County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Victory Blvd. over Paradise Creek | Poor condition + traffic exposure | Poor | 6,581 | 1944 |
| Interstate 264 over SR 141 (effingham St) | High traffic | Fair | 71,623 | 1966 |
| Interstate 264 over Csx Transp & Wbl 0n-ramp | High traffic | Fair | 71,623 | 1966 |
| Interstate 264 over Des Moines AVE | High traffic | Fair | 68,869 | 1964 |
| Interstate 264 over Elm Avenue | High traffic | Fair | 68,869 | 1966 |
| SR 164 over W Br Elizabeth River | High traffic | Fair | 64,296 | 1978 |
| Is 264 over SR 239 Victory BLVD | High traffic | Fair | 54,740 | 1963 |
| Is 264 over Mclean Street | High traffic | Fair | 54,740 | 1964 |
| Is 264 over SR 337 Portsmouth BLVD | High traffic | Fair | 54,740 | 1964 |
| Is 264 over SR 337 Ebl Ramp | High traffic | Fair | 54,740 | 1964 |
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.