Columbia County Bridge Report Card

Columbia County scores 60 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D60 / 100

Local infrastructure snapshot

Columbia County, Pennsylvania

Columbia County has 272 bridges in the National Bridge Inventory, with 27 rated poor and 20 rated scour-critical. Its poor-condition share of 9.9% is at or below the 12.1% statewide average. Poor-condition bridges carry about 6,463 daily vehicle crossings.

272Total Bridges

27Poor (9.9%)

129Fair (47.4%)

20Scour-Critical

Quote-Ready Local Facts

9.9%of county bridges are in poor condition, compared with 12.1% statewide and 6.7% nationally.

6,463daily vehicle crossings are on poor-condition bridges in the county.

20bridges are rated scour-critical, or 7.4% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Columbia County a Bridge Condition Exposure Score of 60/100 (D). The county has 272 bridges in the National Bridge Inventory, including 27 in poor condition and 20 rated scour-critical. Poor-condition bridges carry about 6,463 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	9.9%	19.9
Poor-condition traffic exposure	25	0.9% of measured traffic	0.6
Scour-critical bridge share	20	7.4%	14.7
Average age vs national baseline	10	61 years vs 48 nationally	5.2
Traffic-data completeness	5	752,541 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	9.9%
State Poor-Condition Share	12.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	7.4%
Average Bridge Age	61 years
Poor-Condition Traffic Exposure	6,463 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeSR 1022 over Old Channel To Fish Crk — 1,798 vehicles/day Oldest Listed BridgeCty Br 56 over Fishing Creek — built in 1847 All County BridgesBrowse every bridge record in Columbia County.

Top Bridges to Watch in Columbia County

Bridge	Reason	Condition	Daily Traffic	Year Built
SR 0254 over Trib To Fishing Creek	Poor condition + traffic exposure	Poor	945	1923
T-826 Benton Br #1 over Raven Creek	Poor condition + traffic exposure	Poor	150	1928
T-456 Bridge #6 over Tributary To Mud Run	Poor condition + traffic exposure	Poor	120	1921
T-409 Mifflin Br#2 over Ten Mile Run	Poor condition + traffic exposure	Poor	100	1936
T-455 (grn Br # 4) over Green Creek	Poor condition + traffic exposure	Poor	50	1936
SR 1022 over Old Channel To Fish Crk	Poor condition + traffic exposure	Poor	1,798	1947
T471 Briar Cr.br#3 over E. Br. Briar Creek	Poor condition + traffic exposure	Poor	1,001	1956
SR 4036 over Hemlock Creek	Poor condition + traffic exposure	Poor	572	1926
T-720 Benton Br 3 over West Creek	Poor condition + traffic exposure	Poor	240	1958
T-316 Cty Br 31 over South Branch Roaring CR	Poor condition + traffic exposure	Poor	200	1902

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.