Lawrence County Bridge Report Card

Lawrence County scores 67 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D67 / 100

Local infrastructure snapshot

Lawrence County, Pennsylvania

Lawrence County has 266 bridges in the National Bridge Inventory, with 30 rated poor and 9 rated scour-critical. Its poor-condition share of 11.3% is at or below the 12.1% statewide average. Poor-condition bridges carry about 40,112 daily vehicle crossings.

266Total Bridges

30Poor (11.3%)

110Fair (41.4%)

9Scour-Critical

Quote-Ready Local Facts

11.3%of county bridges are in poor condition, compared with 12.1% statewide and 6.7% nationally.

40,112daily vehicle crossings are on poor-condition bridges in the county.

9bridges are rated scour-critical, or 3.4% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Lawrence County a Bridge Condition Exposure Score of 67/100 (D). The county has 266 bridges in the National Bridge Inventory, including 30 in poor condition and 9 rated scour-critical. Poor-condition bridges carry about 40,112 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	11.3%	22.6
Poor-condition traffic exposure	25	4.4% of measured traffic	3.3
Scour-critical bridge share	20	3.4%	6.8
Average age vs national baseline	10	47 years vs 48 nationally	0.0
Traffic-data completeness	5	905,194 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	11.3%
State Poor-Condition Share	12.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	3.4%
Average Bridge Age	47 years
Poor-Condition Traffic Exposure	40,112 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeEast Washington ST over Neshannock Creek — 18,779 vehicles/day Oldest Listed BridgeMcconnels Mill RD over Slippery Rock Creek — built in 1875 All County BridgesBrowse every bridge record in Lawrence County.

Top Bridges to Watch in Lawrence County

Bridge	Reason	Condition	Daily Traffic	Year Built
Pool Access RD over Big Run	Poor condition + traffic exposure	Poor	500	1974
Graceland RD over Neshannock West Branch	Poor condition + traffic exposure	Poor	150	1940
Mud Bridge RD over L Beaver Crk North Fork	Poor condition + traffic exposure	Poor	100	1930
Canal ST over Snake Run To Beaver Run	Poor condition + traffic exposure	Poor	82	1950
Old Route 18 RT over Mahoning River	Poor condition + traffic exposure	Poor	50	1932
Paden RD over Hickory Run	Poor condition + traffic exposure	Poor	50	1940
East Washington ST over Neshannock Creek	Poor condition + traffic exposure	Poor	18,779	1909
West Washington ST over Ncir / Iss Railroad	Poor condition + traffic exposure	Poor	7,349	1924
Eastbrook RD over Hottenbaugh Run	Poor condition + traffic exposure	Poor	3,416	1930
Covert RD over SR 0376 EB WB	Poor condition + traffic exposure	Poor	2,591	1972

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.