Cth K over Rock Creek
Clark County, Wisconsin · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cth K over Rock Creek in Clark 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 1990, making it 35 years old at the 2025 inventory.
- It carries about 1,220 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 149 of the 298 inventoried bridges in Clark County rated good (50.0%); 33 (11.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (good), but component ratings moved: deck 8 to 7, superstructure 8 to 7, substructure 8 to 7.
- Its most recent inspection on record is dated June 2024, 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 → (44.7841, -90.49591)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 7 | Good condition |
| Superstructure | 8 | 7 | Good condition |
| Substructure | 8 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 77 ft |
| Location | 2.9M N Jct Sth 98 to E |
| NBI structure number | B10007700000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2024 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Clark County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sth 29 over Roger Creek | 1962 | 13,900 | Fair |
| Sth 29 EB over Dill Creek | 1961 | 13,200 | Good |
| Sth 29 over Popple River | 1996 | 11,900 | Fair |
| Sth 29 over Trib to Dill Creek | 1999 | 11,000 | Good |
| Sth 29 W over N Fork Eau Claire River | 1994 | 6,950 | Good |
| Sth 29 W over Sth 73 N | 1994 | 6,950 | Fair |
All bridges nearby: Clark County, WI bridge conditions · every bridge in Clark County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.