Irr Bia Rte 33 over Potato River
Ashland County, Wisconsin · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Irr Bia Rte 33 over Potato River in Ashland County, Wisconsin, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1999, making it 26 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2022).
- It is one of 45 of the 84 inventoried bridges in Ashland County rated fair (53.6%); 4 (4.8%) 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 → (46.4674, -90.58703)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 107 ft |
| Location | 5.3 Km North of Hwy 169 |
| NBI structure number | 00000000000F323 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Ashland County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ush 2-front St over Bay City Creek | 1969 | 13,205 | Fair |
| Ush Irr (ush 2) over Denomie Creek | 1980 | 5,000 | Fair |
| Ush Irr (ush 2) over Bad River | 1960 | 4,800 | Fair |
| Ush 2 over Kakagon Slough | 1961 | 4,800 | Fair |
| Ush Irr (ush 2) over Beartrap Creek | 1976 | 4,800 | Fair |
| Lrd Main St over Bay City Creek | 1968 | 3,909 | Fair |
All bridges nearby: Ashland County, WI bridge conditions · every bridge in Ashland County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.