Sth 57 SB over Renard CR
Door County, Wisconsin · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sth 57 SB over Renard CR in Door 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 2008, making it 17 years old at the 2025 inventory.
- It carries about 5,600 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 15 of the 33 inventoried bridges in Door County rated good (45.5%); 1 (3.0%) 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 March 2024, 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 → (44.71703, -87.67553)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 42 ft |
| Location | 0.8 Mi N of Cth D |
| NBI structure number | B15002200000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2024 |
| Inspection interval (item 91) | 24 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 Door County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sth 42 - Sth 57 over Sturgeon Bay | 1978 | 14,200 | Fair |
| Sth 42 - Sth 57 over Sturgeon Bay | 1978 | 12,500 | Fair |
| Sth 42 - Sth 57 over Sturgeon Bay | 1978 | 12,500 | Fair |
| Sth 42 - Sth 57 over Sturgeon Bay | 1978 | 12,500 | Fair |
| Sth 42 - Sth 57 over Lrd Memorial Dr | 1978 | 12,500 | Fair |
| Sth 57 NB over Fabry CR | 2008 | 11,200 | Fair |
All bridges nearby: Door County, WI bridge conditions · every bridge in Door County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.