Butler County Bridge Report Card

Butler 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

Butler County, Pennsylvania

Butler County has 374 bridges in the National Bridge Inventory, with 51 rated poor and 29 rated scour-critical. Its poor-condition share of 13.6% is above the 12.1% statewide average. Poor-condition bridges carry about 91,740 daily vehicle crossings.

374Total Bridges

51Poor (13.6%)

212Fair (56.7%)

29Scour-Critical

Quote-Ready Local Facts

13.6%of county bridges are in poor condition, compared with 12.1% statewide and 6.7% nationally.

91,740daily vehicle crossings are on poor-condition bridges in the county.

29bridges are rated scour-critical, or 7.8% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Butler County a Bridge Condition Exposure Score of 52/100 (F). The county has 374 bridges in the National Bridge Inventory, including 51 in poor condition and 29 rated scour-critical. Poor-condition bridges carry about 91,740 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	13.6%	27.3
Poor-condition traffic exposure	25	4.9% of measured traffic	3.7
Scour-critical bridge share	20	7.8%	15.5
Average age vs national baseline	10	51 years vs 48 nationally	1.1
Traffic-data completeness	5	1,865,244 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	13.6%
State Poor-Condition Share	12.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	7.8%
Average Bridge Age	51 years
Poor-Condition Traffic Exposure	91,740 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeSr3022 over Brush Creek — 16,565 vehicles/day Oldest Listed BridgeT-439 Watson RD over N Br Slippery Rock Creek — built in 1900 All County BridgesBrowse every bridge record in Butler County.

Top Bridges to Watch in Butler County

Bridge	Reason	Condition	Daily Traffic	Year Built
Sr2004 over Bonnie Brook	Poor condition + traffic exposure	Poor	1,727	1951
Sr4010 over Mcdonald Run	Poor condition + traffic exposure	Poor	1,194	1939
T-846 Marwood Road over Little Buffalo Creek	Poor condition + traffic exposure	Poor	800	1988
T-841 Kiester Road over Long Run	Poor condition + traffic exposure	Poor	500	1990
Sr4004 over Wolf Creek	Poor condition + traffic exposure	Poor	438	1944
T-840 Victory Road over Davis Run	Poor condition + traffic exposure	Poor	300	1952
SR 2011 over Lardintown Run	Poor condition + traffic exposure	Poor	263	1910
T-411 Ash Stop Rd. over Connoquenessing Creek	Poor condition + traffic exposure	Poor	250	1902
T-383 Jones Road over Anderson Run	Poor condition + traffic exposure	Poor	200	1936
T-556 Great Belt over Trib To Thorn Creek	Poor condition + traffic exposure	Poor	200	1957

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.