Bridge conditions in Fond du Lac County, Wisconsin
252 inventoried bridges · 27 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 9 bridges in Fond du Lac County is rated in poor condition: 27 of 252 on the federal inventory, one of the higher shares in Wisconsin.
- 27 of the 252 bridges in Fond du Lac County, Wisconsin, are rated in poor condition (10.7%) in the 2025 National Bridge Inventory, as of .
- 127 bridges (50.4%) are rated good and 98 (38.9%) fair.
- The median Fond du Lac County bridge was built in 1996.
- The busiest poor-rated bridge is Lrd Western Ave over E Br Fond Du Lac River (built 1973), carrying about 4,000 vehicles a day.
Good 50.4% · Fair 38.9% · Poor 10.7% of 252 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 Western Ave over E Br Fond Du Lac River | 1973 | 4,000 | Poor |
| Lrd Hickory St over W Br Fond Du Lac River | 1965 | 3,900 | Poor |
| Lrd Promen Dr over Lakeside Creek | 1927 | 3,900 | Poor |
| Cth K over Taycheedah Creek | 1936 | 3,600 | Poor |
| Lrd Scott St over De Neveu Creek | 1965 | 3,100 | Poor |
| Cth T over Taycheedah Creek | 1955 | 2,500 | Poor |
| Cth T over Taycheedah Creek | 1955 | 2,500 | Poor |
| Lrd 2ND St over De Neveu Creek | 1961 | 2,500 | Poor |
| Lrd Seymour St over W Br Fond Du Lac River | 1962 | 2,400 | Poor |
| Lrd 1ST St over E Br Fond Du Lac River | 1968 | 1,900 | Poor |
| Lrd Forest Ave over E Br Fond Du Lac River | 1965 | 1,900 | Poor |
| Cth W over Br Sheboygan River | 1968 | 1,720 | Poor |
| Cth V (rienzi Rd) over De Neveu Creek | 1967 | 1,600 | Poor |
| Cth F over Watercress Creek | 1925 | 1,308 | Poor |
| Lrd Stow St over De Neveu Creek | 1926 | 650 | Poor |
| Cth Ccc over Sheboygan River | 1964 | 640 | Poor |
| Cth Ss over E Br Milwaukee River | 1986 | 570 | Poor |
| Lrd Lake Maria Rd over Br Rock River | 1962 | 540 | Poor |
| Cth W (dead End) over Trib to Pipe Creek | 1981 | 480 | Poor |
| Cth Y over E Br Fond Du Lac River | 1981 | 460 | Poor |
| Lrd Town Line Rd over W Br Fond Du Lac River | 1912 | 360 | Poor |
| Lrd Superior Dr over Br E Br Rock River | 1930 | 58 | Poor |
| Lrd Walnut Rd over Sheboygan River | 1961 | 48 | Poor |
| Lrd Spring Dr/main over W Br Milwaukee River | 1940 | 47 | Poor |
| Lrd Division Rd over Mullet River | 1920 | 45 | Poor |
| Lrd Silver Creek R over Silver Creek | 1950 | 11 | Poor |
| Lrd Rogersville Ro over W Br Fond Du Lac River | 1927 | 1 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 41 over Supple Marsh Creek | 1951 | 44,700 | Fair |
| Sth 23 over Lrd Brooke Street | 2001 | 29,100 | Fair |
| Ih 41 NB over W Br Fond Du Lac River | 1953 | 21,450 | Fair |
| Ih 41 SB over W Br Fond Du Lac River | 1961 | 21,450 | Good |
| Ush 41 NB over Cth N | 1999 | 21,450 | Good |
| Ih 41 SB over Cth N | 1999 | 21,450 | Fair |
| Sth 23 over Taycheeda Creek | 1987 | 20,500 | Fair |
| Ush 41 NB over East Br Fon Du Lac River | 2005 | 18,750 | Good |
| Ih 41 SB over E Br Fond Du Lac River | 2005 | 18,750 | Good |
| Sth 23-johnson St over De Neveu Creek | 2002 | 16,100 | 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.