Lrd 50TH Ave over Bull Brook
Polk County, Wisconsin · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Lrd 50TH Ave over Bull Brook in Polk County, Wisconsin, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1963, making it 62 years old at the 2025 inventory.
- It carries about 43 vehicles a day (traffic count year 2024).
- Its listed owner is a town or township highway agency.
- It is one of 16 of the 72 inventoried bridges in Polk County rated poor (22.2%); 16 (22.2%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated April 2024, on a 12-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (45.28217, -92.31908)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Timber slab |
| Length | about 43 ft |
| Location | 0.1M W Jct Cth F |
| NBI structure number | P48090200000000 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | April 2024 |
| Inspection interval (item 91) | 12 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 Polk County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ush 8 over St Croix River 07 | 1955 | 14,900 | Fair |
| Ush 8 over Lrd Interstate Park Rd | 1956 | 14,000 | Fair |
| Ush 8 EB over Sth 35 SB / S Vincent St | 1995 | 9,000 | Fair |
| Sth 35 over Osceola CR | 2006 | 7,700 | Fair |
| Ush 8 WB over Sth 35 SB / S Vincent St | 1995 | 7,450 | Fair |
| Ush 8-sth 46 over Apple River | 1973 | 7,400 | Fair |
All bridges nearby: Polk County, WI bridge conditions · every bridge in Polk County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.