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.
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.
Quote-Ready Local Facts
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.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 9.1% | 18.2 |
| Poor-condition traffic exposure | 25 | 3.0% of measured traffic | 2.3 |
| Scour-critical bridge share | 20 | 1.8% | 3.6 |
| Average age vs national baseline | 10 | 41 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 860,839 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 | 9.1% |
| State Poor-Condition Share | 6.7% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.8% |
| Average Bridge Age | 41 years |
| Poor-Condition Traffic Exposure | 25,996 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Sauk County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Lrd David DR (dead over Br Plum Creek | Poor condition + traffic exposure | Poor | 15 | 1929 |
| Sth 23-sth 33-main over Baraboo River | Poor condition + traffic exposure | Poor | 14,200 | 1985 |
| Cth H over Dell Creek | Poor condition + traffic exposure | Poor | 4,000 | 1971 |
| Cth B Main ST over Br Honey Creek | Poor condition + traffic exposure | Poor | 1,500 | 1969 |
| Cth Hh over Dell Creek | Poor condition + traffic exposure | Poor | 1,100 | 1974 |
| Cth X over Baraboo River | Poor condition + traffic exposure | Poor | 790 | 1956 |
| Cth W over Skillet Creek | Poor condition + traffic exposure | Poor | 738 | 1939 |
| Cth Pf over N Br Honey Creek | Poor condition + traffic exposure | Poor | 440 | 1952 |
| Cth Pf over N Br Honey Creek | Poor condition + traffic exposure | Poor | 420 | 1948 |
| Cth O over Honey Creek | Poor condition + traffic exposure | Poor | 416 | 1973 |
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.