Bridge conditions in Juneau County, Wisconsin
174 inventoried bridges · 5 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 174 bridges in Juneau County: 88 rated good, 81 fair, and 5 poor.
- 5 of the 174 bridges in Juneau County, Wisconsin, are rated in poor condition (2.9%) in the 2025 National Bridge Inventory, as of .
- 88 bridges (50.6%) are rated good and 81 (46.6%) fair.
- The median Juneau County bridge was built in 1983.
- The busiest poor-rated bridge is Cth O over Tributary Baraboo River (built 1925), carrying about 1,035 vehicles a day.
Good 50.6% · Fair 46.6% · Poor 2.9% of 174 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 O over Tributary Baraboo River | 1925 | 1,035 | Poor |
| Cth H over Little Lemonweir River | 1959 | 873 | Poor |
| Cth M Cutler St over Little Lemonweir River | 1957 | 327 | Poor |
| Lrd Orange Mill Rd over Little Lemonweir River | 1971 | 98 | Poor |
| Lrd Hyer Rd (dead over Bike Trail | 1970 | 10 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 90 Eb-ih 94 EB over Ush 12-sth 16 | 1964 | 18,750 | Fair |
| Ih 90 Wb-ih 94 WB over Ush 12-sth 16 | 1964 | 18,750 | Fair |
| Ih 90 Eb-ih 94 EB over Cp RR | 1964 | 18,750 | Fair |
| Ih 90 Wb-ih 94 WB over Cp RR | 1964 | 18,750 | Fair |
| Ih 90 Wb-ih 94 WB over Lemonwier River | 2022 | 18,375 | Good |
| Ih 90 Eb-ih 94 EB over Sth 82 | 2022 | 18,375 | Good |
| Ih 90 Wb-ih 94 WB over Sth 82 | 2022 | 18,375 | Good |
| Ih 90/94 WB over Cth G | 2022 | 18,375 | Good |
| Ih 90 Eb-ih 94 EB over Lrd Hog Island Rd/cn RR | 1964 | 17,900 | Fair |
| Ih 90 Wb-ih 94 WB over Lrd Hog Island Rd/up RR | 1964 | 17,900 | 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.