T 178 over Sugar Loaf Creek
Goodhue County, Minnesota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T 178 over Sugar Loaf Creek in Goodhue County, Minnesota, 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 1992, making it 33 years old at the 2025 inventory.
- It carries about 40 vehicles a day (traffic count year 1991).
- Its listed owner is a town or township highway agency.
- It is one of 168 of the 331 inventoried bridges in Goodhue County rated good (50.8%); 17 (5.1%) 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 October 2023, 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 → (44.46092, -92.33386)
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 | Timber slab |
| Length | about 78 ft |
| Location | 0.1 Mi W of Jct Csah 5 |
| NBI structure number | 25558 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Goodhue County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 52 over Pine Island Creek | 1960 | 28,281 | Fair |
| US 52 over Butler Creek | 2023 | 21,379 | Good |
| US 52 over Stream | 1928 | 21,347 | Fair |
| US 52 over Stream | 1959 | 21,347 | Fair |
| US 61 over Ditch | 1994 | 17,500 | Fair |
| US 61 over Ditch | 1994 | 17,500 | Fair |
All bridges nearby: Goodhue County, MN bridge conditions · every bridge in Goodhue County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.