Lrd 4 Corners Rd over Marengo River
Bayfield County, Wisconsin · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Lrd 4 Corners Rd over Marengo River in Bayfield 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 1981, making it 44 years old at the 2025 inventory.
- It carries about 53 vehicles a day (traffic count year 2022).
- Its listed owner is a town or township highway agency.
- It is one of 49 of the 103 inventoried bridges in Bayfield County rated good (47.6%); 6 (5.8%) 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 August 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 → (46.40994, -90.94582)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 83 ft |
| Location | 0.3M S Jct Cth E |
| NBI structure number | B04003000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 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 Bayfield County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ush 2-sth 13 over Fish Creek | 1991 | 11,600 | Fair |
| Ush 2-sth 13 over Fish Creek | 1991 | 11,600 | Fair |
| Sth 13 over Whittlesey Creek | 1954 | 7,500 | Fair |
| Sth 13 over Little Whittlesey Crk | 1981 | 7,100 | Fair |
| Sth 13 over Terwilliger Creek | 2019 | 7,100 | Good |
| Sth 13 over Boyd Creek | 2020 | 7,100 | Good |
All bridges nearby: Bayfield County, WI bridge conditions · every bridge in Bayfield County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.