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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 August 20, 2026

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 August 20, 2026.
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.

Every bridge in Fond du Lac County → - all 252, busiest first, each with its own condition record.

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.