Washington County Bridge Report Card
Washington County scores 63 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Washington County, Wisconsin
Washington County has 164 bridges in the National Bridge Inventory, with 13 rated poor and 19 rated scour-critical. Its poor-condition share of 7.9% is above the 6.7% statewide average. Poor-condition bridges carry about 18,000 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Washington County a Bridge Condition Exposure Score of 63/100 (D). The county has 164 bridges in the National Bridge Inventory, including 13 in poor condition and 19 rated scour-critical. Poor-condition bridges carry about 18,000 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 | 7.9% | 15.9 |
| Poor-condition traffic exposure | 25 | 1.5% of measured traffic | 1.2 |
| Scour-critical bridge share | 20 | 11.6% | 20.0 |
| Average age vs national baseline | 10 | 41 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 1,171,681 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 | 7.9% |
| State Poor-Condition Share | 6.7% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 11.6% |
| Average Bridge Age | 41 years |
| Poor-Condition Traffic Exposure | 18,000 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Washington County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Cth G over Br Cedar Creek | Poor condition + traffic exposure | Poor | 1,391 | 1956 |
| Lrd Jay DR over N Br Milwaukee River | Poor condition + traffic exposure | Poor | 750 | 1978 |
| Lrd Midland DR over Kohlsville River | Poor condition + traffic exposure | Poor | 395 | 1926 |
| Lrd Townline RD over Trib. To Milwaukee R | Poor condition + traffic exposure | Poor | 219 | 1930 |
| Lrd Pleasant Valle over Br Cedar Creek | Poor condition + traffic exposure | Poor | 205 | 1930 |
| Lrd Liberty Avenue over Rubicon River | Poor condition + traffic exposure | Poor | 100 | 1970 |
| Lrd Nenno RD over Br E Br Rock River | Poor condition + traffic exposure | Poor | 58 | 1925 |
| Lrd West Bend RD over Br E Br Rock River | Poor condition + traffic exposure | Poor | 47 | 1927 |
| Lrd Pedestrian (wo over Milwaukee River | Poor condition | Poor | 0 | 1891 |
| Sth 167 over IH 41-ush 45 | Poor condition + traffic exposure | Poor | 12,200 | 1969 |
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.