Cth M over Unnamed Waterway
Juneau County, Wisconsin · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cth M over Unnamed Waterway in Juneau County, Wisconsin, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2015, making it 10 years old at the 2025 inventory.
- It carries about 150 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 88 of the 174 inventoried bridges in Juneau County rated good (50.6%); 5 (2.9%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (43.97, -90.21167)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Timber slab |
| Length | about 22 ft |
| Location | 4.2 M S Jct Sth 21 |
| NBI structure number | B29014900000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Juneau 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 |
All bridges nearby: Juneau County, WI bridge conditions · every bridge in Juneau County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.