Bayfield County Bridge Report Card

Bayfield County scores 73 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C73 / 100

Local infrastructure snapshot

Bayfield County, Wisconsin

Bayfield County has 103 bridges in the National Bridge Inventory, with 6 rated poor and 7 rated scour-critical. Its poor-condition share of 5.8% is at or below the 6.7% statewide average. Poor-condition bridges carry about 2,697 daily vehicle crossings.

103Total Bridges

6Poor (5.8%)

48Fair (46.6%)

7Scour-Critical

Quote-Ready Local Facts

5.8%of county bridges are in poor condition, compared with 6.7% statewide and 6.7% nationally.

2,697daily vehicle crossings are on poor-condition bridges in the county.

7bridges are rated scour-critical, or 6.8% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Bayfield County a Bridge Condition Exposure Score of 73/100 (C). The county has 103 bridges in the National Bridge Inventory, including 6 in poor condition and 7 rated scour-critical. Poor-condition bridges carry about 2,697 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	5.8%	11.7
Poor-condition traffic exposure	25	1.9% of measured traffic	1.5
Scour-critical bridge share	20	6.8%	13.6
Average age vs national baseline	10	36 years vs 48 nationally	0.0
Traffic-data completeness	5	138,403 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	5.8%
State Poor-Condition Share	6.7%
National Poor-Condition Share	6.7%
County Scour-Critical Share	6.8%
Average Bridge Age	36 years
Poor-Condition Traffic Exposure	2,697 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeSth 13 over Sand River — 880 vehicles/day Oldest Listed BridgeLrd Cranberry Rive over Cranberry River — built in 1924 All County BridgesBrowse every bridge record in Bayfield County.

Top Bridges to Watch in Bayfield County

Bridge	Reason	Condition	Daily Traffic	Year Built
Cth H over Eagle Lake	Poor condition + traffic exposure	Poor	431	1955
Sth 13 over Sand River	Poor condition + traffic exposure	Poor	880	1956
Sth 13 over Fish Creek	Poor condition + traffic exposure	Poor	670	2002
Cth D over Namekagon Lake	Poor condition + traffic exposure	Poor	575	1971
Lrd Bibon RD over White River	Poor condition + traffic exposure	Poor	76	1984
Lrd Evergreen RD over Kolin Creek	Poor condition + traffic exposure	Poor	65	1950
Sth 13 over Whittlesey Creek	Scour-critical foundation rating	Fair	7,500	1954
Sth 13 over Onion River	Scour-critical foundation rating	Good	4,100	1977
Lrd County Line RD over Marengo River	Scour-critical foundation rating	Fair	49	1925
Lrd Randysek RD over Namekagon River	Scour-critical foundation rating	Fair	48	1964

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.