Philadelphia County Bridge Report Card

Philadelphia County scores 52 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F52 / 100

Local infrastructure snapshot

Philadelphia County, Pennsylvania

Philadelphia County has 587 bridges in the National Bridge Inventory, with 74 rated poor and 20 rated scour-critical. Its poor-condition share of 12.6% is above the 12.1% statewide average. Poor-condition bridges carry about 2,108,564 daily vehicle crossings.

587Total Bridges

74Poor (12.6%)

369Fair (62.9%)

20Scour-Critical

Quote-Ready Local Facts

12.6%of county bridges are in poor condition, compared with 12.1% statewide and 6.7% nationally.

2,108,564daily vehicle crossings are on poor-condition bridges in the county.

20bridges are rated scour-critical, or 3.4% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Philadelphia County a Bridge Condition Exposure Score of 52/100 (F). The county has 587 bridges in the National Bridge Inventory, including 74 in poor condition and 20 rated scour-critical. Poor-condition bridges carry about 2,108,564 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.

Download all county report-card scores as CSV.

How the Score Breaks Down

Factor	Weight	County Value	Penalty
Poor-condition bridge share	40	12.6%	25.2
Poor-condition traffic exposure	25	10.4% of measured traffic	7.8
Scour-critical bridge share	20	3.4%	6.8
Average age vs national baseline	10	68 years vs 48 nationally	8.1
Traffic-data completeness	5	20,294,434 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	12.6%
State Poor-Condition Share	12.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	3.4%
Average Bridge Age	68 years
Poor-Condition Traffic Exposure	2,108,564 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeInterstate 95 over Tacony St.and Bridge St. — 280,088 vehicles/day Oldest Listed BridgeFrankford Avenue over Pennypack Creek — built in 1697 All County BridgesBrowse every bridge record in Philadelphia County.

Top Bridges to Watch in Philadelphia County

Bridge	Reason	Condition	Daily Traffic	Year Built
Cobbs Creek Parkwa over Cobbs Creek	Poor condition + traffic exposure	Poor	18,222	1924
Ridge Avenue over Wissahickon Creek	Poor condition + traffic exposure	Poor	15,917	1888
Willits Road over Wooden Bridge Run	Poor condition + traffic exposure	Poor	13,244	1953
Rhawn Street over Pennypack Creek	Poor condition + traffic exposure	Poor	12,877	1930
Bells Mill Road over Wissahickon Creek	Poor condition + traffic exposure	Poor	12,200	1820
Krewstown Road over Pennypack Creek	Poor condition + traffic exposure	Poor	10,000	1907
Whitby Avenue over Cobbs Creek	Poor condition + traffic exposure	Poor	6,800	1932
65th Street over Cobbs Creek	Poor condition + traffic exposure	Poor	6,335	1906
Sherwood Avenue over Indian Creek	Poor condition + traffic exposure	Poor	800	1918
Century Lane over Poquessing Creek	Poor condition + traffic exposure	Poor	100	1853

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.