Sauk County Bridge Report Card

Sauk County scores 76 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C76 / 100
Local infrastructure snapshot

Sauk County, Wisconsin

Sauk County has 275 bridges in the National Bridge Inventory, with 25 rated poor and 5 rated scour-critical. Its poor-condition share of 9.1% is above the 6.7% statewide average. Poor-condition bridges carry about 25,996 daily vehicle crossings.

275Total Bridges
25Poor (9.1%)
112Fair (40.7%)
5Scour-Critical

Quote-Ready Local Facts

9.1%of county bridges are in poor condition, compared with 6.7% statewide and 6.7% nationally.
25,996daily vehicle crossings are on poor-condition bridges in the county.
5bridges are rated scour-critical, or 1.8% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Sauk County a Bridge Condition Exposure Score of 76/100 (C). The county has 275 bridges in the National Bridge Inventory, including 25 in poor condition and 5 rated scour-critical. Poor-condition bridges carry about 25,996 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

FactorWeightCounty ValuePenalty
Poor-condition bridge share409.1%18.2
Poor-condition traffic exposure253.0% of measured traffic2.3
Scour-critical bridge share201.8%3.6
Average age vs national baseline1041 years vs 48 nationally0.0
Traffic-data completeness5860,839 measured daily crossings0.0

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 Share9.1%
State Poor-Condition Share6.7%
National Poor-Condition Share6.7%
County Scour-Critical Share1.8%
Average Bridge Age41 years
Poor-Condition Traffic Exposure25,996 vehicles/day

Bridges to Watch

Top Bridges to Watch in Sauk County

BridgeReasonConditionDaily TrafficYear Built
Lrd David DR (dead over Br Plum CreekPoor condition + traffic exposurePoor151929
Sth 23-sth 33-main over Baraboo RiverPoor condition + traffic exposurePoor14,2001985
Cth H over Dell CreekPoor condition + traffic exposurePoor4,0001971
Cth B Main ST over Br Honey CreekPoor condition + traffic exposurePoor1,5001969
Cth Hh over Dell CreekPoor condition + traffic exposurePoor1,1001974
Cth X over Baraboo RiverPoor condition + traffic exposurePoor7901956
Cth W over Skillet CreekPoor condition + traffic exposurePoor7381939
Cth Pf over N Br Honey CreekPoor condition + traffic exposurePoor4401952
Cth Pf over N Br Honey CreekPoor condition + traffic exposurePoor4201948
Cth O over Honey CreekPoor condition + traffic exposurePoor4161973

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.