Bridge conditions in Pierce County, Wisconsin
250 inventoried bridges · 10 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
10 of the 250 bridges the federal inventory lists in Pierce County are rated poor; the rest split 147 good and 93 fair.
- 10 of the 250 bridges in Pierce County, Wisconsin, are rated in poor condition (4.0%) in the 2025 National Bridge Inventory, as of .
- 147 bridges (58.8%) are rated good and 93 (37.2%) fair.
- The median Pierce County bridge was built in 1989.
- The busiest poor-rated bridge is Cth Vv over Cth K (built 1931), carrying about 2,000 vehicles a day.
Good 58.8% · Fair 37.2% · Poor 4.0% of 250 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 |
|---|---|---|---|
| Cth Vv over Cth K | 1931 | 2,000 | Poor |
| Cth O over Br S Fk Kinnickinnic R | 1986 | 957 | Poor |
| Sth 72 over Plum Creek | 1956 | 730 | Poor |
| Cth A over Crystal Springs Creek | 1930 | 225 | Poor |
| Lrd 770TH Ave over Trimbelle River | 1979 | 125 | Poor |
| Lrd 1005TH St over Wind River | 1925 | 87 | Poor |
| Lrd Glade Ave over Br Burghardt Creek | 1934 | 40 | Poor |
| Access Road over Eau Galle River | 1950 | 25 | Poor |
| Lrd 430TH Ave (dea over Isabelle Creek | 1920 | 25 | Poor |
| Lrd 570TH Street ( over Dry Run | 1945 | 15 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Lrd Main St over S Fk Kinnickinnic River | 1982 | 21,115 | Fair |
| Ush 10 over St Croix River 01 | 1990 | 16,800 | Fair |
| Sth 35 over Cth M | 1993 | 12,000 | Good |
| Ush 63 over Mississippi River 10 | 2019 | 11,000 | Fair |
| Sth 35 over Lrd Golf View Rd | 1993 | 10,200 | Good |
| Sth 65 over S Fk Kinnickinnic River | 1993 | 9,400 | Fair |
| Ush 63 over Miss R Wis Channel | 1960 | 9,300 | Fair |
| Ush 63 over BNSF RR | 2013 | 9,300 | Good |
| Sth 65 over Br S Fk Kinnickinnic R | 2000 | 6,700 | Good |
| Ush 10-ush 63 over Isabelle Creek | 1991 | 6,400 | Good |
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.