Bridge conditions in Marinette County, Wisconsin
135 inventoried bridges · 12 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Marinette County tracks close to typical: 12 of its 135 inventoried bridges (8.9%) are rated poor, against a national rate of about 7%.
- 12 of the 135 bridges in Marinette County, Wisconsin, are rated in poor condition (8.9%) in the 2025 National Bridge Inventory, as of .
- 76 bridges (56.3%) are rated good and 47 (34.8%) fair.
- The median Marinette County bridge was built in 1993.
- The busiest poor-rated bridge is Cth W over Little Peshtigo River (built 1920), carrying about 1,700 vehicles a day.
Good 56.3% · Fair 34.8% · Poor 8.9% of 135 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 W over Little Peshtigo River | 1920 | 1,700 | Poor |
| Cth Jj over Menominee River | 1967 | 900 | Poor |
| Cth C over Peshtigo River | 1975 | 900 | Poor |
| Cth Z over Menominee River | 1972 | 603 | Poor |
| Cth C over Wausaukee River | 1920 | 560 | Poor |
| Cth K over Pike River | 1978 | 512 | Poor |
| Cth P over Peshtigo River | 1976 | 500 | Poor |
| Lrd Ferndale Rd over Peshtigo River | 1990 | 201 | Poor |
| Lrd St Paul Rd over the Outlet | 1930 | 110 | Poor |
| Lrd Marek Rd over Miscauno Creek | 1950 | 80 | Poor |
| Lrd Glendale Rd (d over Wausaukee River | 1920 | 50 | Poor |
| Lrd Wayside Road ( over Middle Inlet Creek | 1960 | 20 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ush 41-bridge St over Menominee River | 2005 | 18,592 | Good |
| Ush 41-bridge St over Menominee River | 2005 | 18,300 | Good |
| Ush 41 over Unnamed CR | 2008 | 13,000 | Good |
| Ush 141 over Peshtigo River | 1992 | 8,900 | Good |
| Ush 141 over S Br Beaver Creek | 1999 | 7,400 | Good |
| Lrd Hattie St over Menominee River | 1976 | 7,200 | Fair |
| Ush 141-roosevelt over Menominee River | 2011 | 6,600 | Good |
| Lrd French St over Peshtigo River | 2012 | 6,500 | Good |
| Ush 41 SB over C & N RR | 2009 | 6,200 | Good |
| Ush 141-main St over Wausaukee River | 2014 | 6,100 | 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.