Bridge conditions in Oconto County, Wisconsin
150 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 150 bridges in Oconto County: 81 rated good, 65 fair, and 4 poor.
- 4 of the 150 bridges in Oconto County, Wisconsin, are rated in poor condition (2.7%) in the 2025 National Bridge Inventory, as of .
- 81 bridges (54.0%) are rated good and 65 (43.3%) fair.
- The median Oconto County bridge was built in 1992.
- The busiest poor-rated bridge is Cth M over Kelly Brook (built 1976), carrying about 680 vehicles a day.
Good 54.0% · Fair 43.3% · Poor 2.7% of 150 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 M over Kelly Brook | 1976 | 680 | Poor |
| Lrd Old 64 Road over Peshtigo Brook | 1980 | 110 | Poor |
| Lrd Pecore Rd over Pecore Creek | 1955 | 60 | Poor |
| Lrd Smyth Rd over N Br Oconto River | 1928 | 50 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ush 41 Sb-ush 141 over Little Suamico River | 1971 | 31,630 | Good |
| Ush 41 Nb-ush 141 over Little Suamico River | 1999 | 15,300 | Good |
| Ush 141 SB over Pensaukee River | 1992 | 8,750 | Fair |
| Ush 141 NB over Pensaukee River | 1992 | 8,750 | Fair |
| Lrd Goatsville Rd over Kelly Brook | 1932 | 8,600 | Fair |
| Ush 141 NB over Oconto River | 2000 | 6,950 | Good |
| Ush 141 SB over Oconto River | 2002 | 6,950 | Good |
| Ush 41 NB over Pensaukee River | 1967 | 6,350 | Fair |
| Ush 41 SB over Pensaukee River | 1992 | 6,300 | Good |
| Ush 41 SB over Ush 141 NB | 1993 | 6,200 | 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.