Lrd 270TH St over Gilbert Creek
Dunn County, Wisconsin · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Lrd 270TH St over Gilbert Creek in Dunn 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 1944, making it 81 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 151 of the 244 inventoried bridges in Dunn County rated fair (61.9%); 20 (8.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: deck 5 to 7, superstructure 5 to 6.
- Its most recent inspection on record is dated July 2024, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (44.89003, -92.02486)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 7 | Good condition |
| Superstructure | 5 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 50 ft |
| Location | 0.4M S Jct Sth 29 |
| NBI structure number | P17011400000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Dunn County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 94 over Br Muddy Creek | 1958 | 37,900 | Fair |
| Ih 94 over Muddy Creek | 1959 | 37,900 | Fair |
| Ih 94 over E Br Wilson Creek | 1959 | 35,500 | Poor |
| Ih 94 over E Br Muddy Creek | 1959 | 31,900 | Fair |
| Ih 94 WB over Elk Mound Marsh Equalizr | 1958 | 18,950 | Fair |
| Ih 94 EB over Elk Mound Marsh Equalizr | 1958 | 18,950 | Fair |
All bridges nearby: Dunn County, WI bridge conditions · every bridge in Dunn County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.