Bridge conditions in Washington County, Wisconsin
164 inventoried bridges · 13 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Washington County tracks close to typical: 13 of its 164 inventoried bridges (7.9%) are rated poor, against a national rate of about 7%.
- 13 of the 164 bridges in Washington County, Wisconsin, are rated in poor condition (7.9%) in the 2025 National Bridge Inventory, as of .
- 68 bridges (41.5%) are rated good and 83 (50.6%) fair.
- The median Washington County bridge was built in 1989.
- The busiest poor-rated bridge is Sth 167 over Ih 41-ush 45 (built 1969), carrying about 12,200 vehicles a day.
Good 41.5% · Fair 50.6% · Poor 7.9% of 164 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sth 167 over Ih 41-ush 45 | 1969 | 12,200 | Poor |
| Cth A over Milwaukee River | 1952 | 2,400 | Poor |
| Cth G over Br Cedar Creek | 1956 | 1,391 | Poor |
| Lrd Jay Dr over N Br Milwaukee River | 1978 | 750 | Poor |
| Lrd Midland Dr over Kohlsville River | 1926 | 395 | Poor |
| Lrd Townline Rd over Trib. to Milwaukee R | 1930 | 219 | Poor |
| Lrd Pleasant Valle over Br Cedar Creek | 1930 | 205 | Poor |
| Lrd Arthur Rd over Soo Line | 1936 | 188 | Poor |
| Lrd Liberty Avenue over Rubicon River | 1970 | 100 | Poor |
| Lrd Nenno Rd over Br E Br Rock River | 1925 | 58 | Poor |
| Lrd West Bend Rd over Br E Br Rock River | 1927 | 47 | Poor |
| Lrd Woodford Dr over Rails to Trails Trail | 1910 | 47 | Poor |
| Lrd Pedestrian (wo over Milwaukee River | 1891 | – | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 41-ush 45 over Br Cedar Creek | 1970 | 63,100 | Fair |
| Ih 41 Sb-ush 45 SB over Wis & Southern RR | 1952 | 43,700 | Fair |
| Ih 41/USH 45 NB over Menomonee River | 2015 | 40,900 | Good |
| Ih 41/USH 45 SB over Menomonee River | 2015 | 40,900 | Good |
| Ih 41 over Br Cedar Creek | 1975 | 36,800 | Fair |
| Ih I-41/USH 41/USH over Wisc & Southern RR | 1952 | 35,400 | Fair |
| Cth Q County Line over Ih 41-ush 45 | 1969 | 31,700 | Fair |
| Ih 41-ush 45 NB over Br Cedar Creek | 1975 | 31,550 | Good |
| Ih 41/USH 45 SB over Bonniwell Creek | 2015 | 31,550 | Good |
| Cth Q County Line over Menomonee River | 1969 | 19,100 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Wisconsin: Wisconsin bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.