M 37 over Little Cannon River
Goodhue County, Minnesota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- M 37 over Little Cannon River in Goodhue County, Minnesota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1978, making it 47 years old at the 2025 inventory.
- It carries about 300 vehicles a day (traffic count year 1986).
- Its listed owner is a city or municipal highway agency.
- It is one of 146 of the 331 inventoried bridges in Goodhue County rated fair (44.1%); 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 November 2023, on a 24-month routine inspection cycle.
- 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 → (44.50827, -92.90783)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 198 ft |
| Location | 0.1 Mi W of Jct Th 20 |
| NBI structure number | 25526 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2023 |
| Inspection interval (item 91) | 24 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 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.