Bridge conditions in Brown County, Wisconsin
473 inventoried bridges · 21 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
21 of the 473 bridges the federal inventory lists in Brown County are rated poor; the rest split 220 good and 232 fair.
- 21 of the 473 bridges in Brown County, Wisconsin, are rated in poor condition (4.4%) in the 2025 National Bridge Inventory, as of .
- 220 bridges (46.5%) are rated good and 232 (49.0%) fair.
- The median Brown County bridge was built in 1988.
- The busiest poor-rated bridge is Lrd Taylor St over Beaver Creek (built 1970), carrying about 9,300 vehicles a day.
Good 46.5% · Fair 49.0% · Poor 4.4% of 473 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 Taylor St over Beaver Creek | 1970 | 9,300 | Poor |
| Cth Ee over Ashwaubenon Creek | 1965 | 8,200 | Poor |
| Cth X over East River | 1982 | 6,800 | Poor |
| Lrd Henry St over Baird Creek | 1970 | 6,180 | Poor |
| Cth Ff Hillcrest over Duck Creek | 1968 | 4,300 | Poor |
| Cth Mm Dutchman R over Sorensons Creek | 2004 | 3,000 | Poor |
| Cth D over Br Plum Creek | 1986 | 2,600 | Poor |
| Lrd Glory Rd over Unknown Creek | 1990 | 2,500 | Poor |
| Cth Kb over Neshota River | 1948 | 1,800 | Poor |
| Lrd Oconnor Rd over Br Duck Creek | 1978 | 1,657 | Poor |
| Cth G over Branch River | 1976 | 1,400 | Poor |
| Cth Z (hill Road) over Plum Creek | 1969 | 1,100 | Poor |
| Lrd Ashwaubenon St over Unknown Creek | 1990 | 1,000 | Poor |
| Cth C over Suamico River | 1948 | 890 | Poor |
| Cth Z over Branch River | 1900 | 840 | Poor |
| Lrd Grand View Rd over Baird Creek | 1970 | 323 | Poor |
| Lrd Rosecrans Rd over Devil River State Trail | 1959 | 258 | Poor |
| Lrd Brookside Rd over Br Suamico River | 1960 | 257 | Poor |
| Lrd Hill Rd over Branch River | 1909 | 94 | Poor |
| Lrd Ledgeview Rd over East River | 1978 | 58 | Poor |
| Lrd Norway Ct (dea over Br Suamico River | 1976 | 20 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sth 172 over Sth57-riverside Dr-fox R | 1975 | 84,700 | Fair |
| Ih 41-sth 32 over Beaver Creek | 2012 | 83,900 | Good |
| Ih 41 over Dutchman CR | 2011 | 83,200 | Good |
| Ih 41 over Beaver Creek | 2011 | 82,500 | Good |
| Ih 41 over Ashwaubenon CR | 2012 | 74,600 | Good |
| Ih 41 over Beaver Creek | 2014 | 69,800 | Good |
| Ih 41 over Ashwaubenon Creek | 1988 | 56,400 | Fair |
| Sth 172 over Big Creek | 1979 | 50,900 | Fair |
| Ih-43 over Bower Creek | 1980 | 48,600 | Fair |
| Ih-43 over Sorensons Creek | 1979 | 48,600 | 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.