Cth V over Hay Creek
Sauk County, Wisconsin · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cth V over Hay Creek in Sauk 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 2019, making it 6 years old at the 2025 inventory.
- It carries about 1,900 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 138 of the 275 inventoried bridges in Sauk County rated good (50.2%); 25 (9.1%) 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 September 2023, on a 24-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 → (43.54518, -90.01162)
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 68 ft |
| Location | 0.9M N Jct Sth 33 |
| NBI structure number | B56023200000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 24 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 Sauk County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 90 Eb-ih 94 EB over Ush 12 | 1960 | 23,500 | Fair |
| Ih 90 Wb-ih 94 WB over Ush 12 | 1960 | 23,500 | Fair |
| Ih 90 Eb-ih 94 EB over Sth 23 | 1961 | 23,500 | Fair |
| Ih 90 Wb-ih 94 WB over Sth 23 | 1961 | 23,500 | Good |
| Ih 90 Eb-ih 94 EB over Mirror Lake | 1961 | 23,500 | Fair |
| Ih 90 Wb-ih 94 WB over Mirror Lake | 1961 | 23,500 | Fair |
All bridges nearby: Sauk County, WI bridge conditions · every bridge in Sauk County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.