Lrd Caldron Falls over N Fk Thunder River
Marinette County, Wisconsin · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Lrd Caldron Falls over N Fk Thunder River in Marinette County, Wisconsin, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1995, making it 30 years old at the 2025 inventory.
- It carries about 175 vehicles a day (traffic count year 2024).
- Its listed owner is a town or township highway agency.
- It is one of 47 of the 135 inventoried bridges in Marinette County rated fair (34.8%); 12 (8.9%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (45.28256, -88.257)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete slab |
| Length | about 29 ft |
| Location | 2.3M N Jct Cth W |
| NBI structure number | B38005900000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Marinette County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ush 41-bridge St over Menominee River | 2005 | 18,592 | Good |
| Ush 41-bridge St over Menominee River | 2005 | 18,300 | Good |
| Ush 41 over Unnamed CR | 2008 | 13,000 | Good |
| Ush 141 over Peshtigo River | 1992 | 8,900 | Good |
| Ush 141 over S Br Beaver Creek | 1999 | 7,400 | Good |
| Lrd Hattie St over Menominee River | 1976 | 7,200 | Fair |
All bridges nearby: Marinette County, WI bridge conditions · every bridge in Marinette County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.