Juneau County Bridge Report Card

Juneau County scores 79 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C79 / 100

Local infrastructure snapshot

Juneau County, Wisconsin

Juneau County has 174 bridges in the National Bridge Inventory, with 5 rated poor and 13 rated scour-critical. Its poor-condition share of 2.9% is at or below the 6.7% statewide average. Poor-condition bridges carry about 2,343 daily vehicle crossings.

174Total Bridges

5Poor (2.9%)

81Fair (46.6%)

13Scour-Critical

Quote-Ready Local Facts

2.9%of county bridges are in poor condition, compared with 6.7% statewide and 6.7% nationally.

2,343daily vehicle crossings are on poor-condition bridges in the county.

13bridges are rated scour-critical, or 7.5% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Juneau County a Bridge Condition Exposure Score of 79/100 (C). The county has 174 bridges in the National Bridge Inventory, including 5 in poor condition and 13 rated scour-critical. Poor-condition bridges carry about 2,343 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	2.9%	5.7
Poor-condition traffic exposure	25	0.4% of measured traffic	0.3
Scour-critical bridge share	20	7.5%	14.9
Average age vs national baseline	10	44 years vs 48 nationally	0.0
Traffic-data completeness	5	551,883 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	2.9%
State Poor-Condition Share	6.7%
National Poor-Condition Share	6.7%
County Scour-Critical Share	7.5%
Average Bridge Age	44 years
Poor-Condition Traffic Exposure	2,343 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeCth O over Tributary Baraboo River — 1,035 vehicles/day Oldest Listed BridgeLrd 23rd ST over S Br Yellow River — built in 1919 All County BridgesBrowse every bridge record in Juneau County.

Top Bridges to Watch in Juneau County

Bridge	Reason	Condition	Daily Traffic	Year Built
Cth O over Tributary Baraboo River	Poor condition + traffic exposure	Poor	1,035	1925
Cth H over Little Lemonweir River	Poor condition + traffic exposure	Poor	873	1959
Cth M Cutler ST over Little Lemonweir River	Poor condition + traffic exposure	Poor	327	1957
Lrd Orange Mill RD over Little Lemonweir River	Poor condition + traffic exposure	Poor	98	1971
Lrd Hyer RD (dead over Bike Trail	Poor condition + traffic exposure	Poor	10	1970
Ush12-sth16 over Webster Creek	Scour-critical foundation rating	Fair	4,500	1920
Ush 12-sth 16 over Little Lemonweir River	Scour-critical foundation rating	Fair	2,500	1931
Cth G over Castle Rock Flowage	Scour-critical foundation rating	Fair	904	1982
Cth K over Cattail Valley Creek	Scour-critical foundation rating	Good	750	2020
Cth O over Stewart Creek	Scour-critical foundation rating	Good	540	2022

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.