Sth 178 over Bob CR
Chippewa County, Wisconsin · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sth 178 over Bob CR in Chippewa County, Wisconsin, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2005, making it 20 years old at the 2025 inventory.
- It carries about 2,500 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 119 of the 359 inventoried bridges in Chippewa County rated good (33.1%); 40 (11.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated May 2023, on a 48-month routine inspection cycle.
- 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 → (45.13285, -91.21302)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 102 ft |
| Location | at Bob Creek |
| NBI structure number | B09027200000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2023 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Chippewa County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sth 29 over Unnamed Creek | 2004 | 28,300 | Good |
| Ush 53 over Br Chippewa River | 1971 | 22,200 | Fair |
| Ush 53 over Tilden Creek | 1970 | 17,600 | Fair |
| Ush 53 SB over Duncan Creek | 1971 | 17,600 | Good |
| Ush 53 N over Duncan Creek | 1971 | 17,600 | Good |
| Ush 53 S over Sth 124 | 2002 | 17,400 | Fair |
All bridges nearby: Chippewa County, WI bridge conditions · every bridge in Chippewa County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.