McKean County Bridge Report Card

McKean County scores 45 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F45 / 100

Local infrastructure snapshot

McKean County, Pennsylvania

McKean County has 226 bridges in the National Bridge Inventory, with 40 rated poor and 17 rated scour-critical. Its poor-condition share of 17.7% is above the 12.1% statewide average. Poor-condition bridges carry about 22,655 daily vehicle crossings.

226Total Bridges

40Poor (17.7%)

85Fair (37.6%)

17Scour-Critical

Quote-Ready Local Facts

17.7%of county bridges are in poor condition, compared with 12.1% statewide and 6.7% nationally.

22,655daily vehicle crossings are on poor-condition bridges in the county.

17bridges are rated scour-critical, or 7.5% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives McKean County a Bridge Condition Exposure Score of 45/100 (F). The county has 226 bridges in the National Bridge Inventory, including 40 in poor condition and 17 rated scour-critical. Poor-condition bridges carry about 22,655 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	17.7%	35.4
Poor-condition traffic exposure	25	6.5% of measured traffic	4.9
Scour-critical bridge share	20	7.5%	15.0
Average age vs national baseline	10	45 years vs 48 nationally	0.0
Traffic-data completeness	5	346,745 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	17.7%
State Poor-Condition Share	12.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	7.5%
Average Bridge Age	45 years
Poor-Condition Traffic Exposure	22,655 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeSR 46-pa 46 over Tunungwant Creek — 4,989 vehicles/day Oldest Listed BridgeT-385 Valley Cross over Potato Creek — built in 1888 All County BridgesBrowse every bridge record in McKean County.

Top Bridges to Watch in McKean County

Bridge	Reason	Condition	Daily Traffic	Year Built
SR 6-us 6 over Iron Hollow Run	Poor condition + traffic exposure	Poor	2,049	1921
SR 246-pa 246 over Kendall Creek	Poor condition + traffic exposure	Poor	1,106	1954
On Tsr 405 over Fowler Brook	Poor condition + traffic exposure	Poor	805	1941
Arnold Avenue over Lillibridge Creek	Poor condition + traffic exposure	Poor	400	1957
SR 46-pa 46 over Colegrove Brook	Poor condition + traffic exposure	Poor	395	1927
T-389 Sartwell RD over Newell Creek	Poor condition + traffic exposure	Poor	280	1982
T-499 Clarks Lane over W Br Tunungwant Creek	Poor condition + traffic exposure	Poor	150	1955
T-300 West Kane RD over East Br Tionesta Creek	Poor condition + traffic exposure	Poor	50	1960
T-384 Brooklyn ST over Knapp Creek	Poor condition + traffic exposure	Poor	40	1890
T-470 Gardeau Road over Half Mile Run	Poor condition + traffic exposure	Poor	40	1950

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.