Bridge conditions in Walworth County, Wisconsin
215 inventoried bridges · 8 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 215 bridges in Walworth County: 71 rated good, 136 fair, and 8 poor.
- 8 of the 215 bridges in Walworth County, Wisconsin, are rated in poor condition (3.7%) in the 2025 National Bridge Inventory, as of .
- 71 bridges (33.0%) are rated good and 136 (63.3%) fair.
- The median Walworth County bridge was built in 1975.
- The busiest poor-rated bridge is Lrd Richmond Rd over Swan Creek (built 1982), carrying about 2,100 vehicles a day.
Good 33.0% · Fair 63.3% · Poor 3.7% of 215 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 |
|---|---|---|---|
| Lrd Richmond Rd over Swan Creek | 1982 | 2,100 | Poor |
| Lrd Town Hall Rd over Ladd Creek | 1974 | 496 | Poor |
| Lrd Beach Rd over East Troy RR | 1980 | 425 | Poor |
| Lrd Peters Rd over Br Little Turtle Creek | 1956 | 235 | Poor |
| Lrd Peters Rd over Cmstpp RR | 1939 | 150 | Poor |
| Lrd Hillside Rd over Cmstpp RR | 1920 | 107 | Poor |
| Lrd County Line Rd over Little Turtle Creek | 1970 | 55 | Poor |
| Lrd Bissel Rd over Nippersink Creek | 1920 | 50 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 43 over Br Jackson Creek | 1976 | 23,700 | Good |
| Ush 12 over White River | 1967 | 22,200 | Fair |
| Ih 43 over Br Jackson Creek | 1976 | 21,900 | Fair |
| Ush 12 over Como Creek | 1967 | 21,700 | Fair |
| Ih 43 over Swan Creek | 1976 | 21,700 | Fair |
| Ih 43 SB over Sth 20 | 1971 | 21,600 | Fair |
| Ush 12 over Jackson Creek | 1968 | 18,800 | Fair |
| Ih 43 over Br Little Turtle Creek | 1976 | 18,000 | Fair |
| Sth 50 over Jackson Creek | 1987 | 13,600 | Fair |
| Sth 67 over Jackson Creek | 1975 | 12,200 | 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.