M 23 over Mill Creek
Olmsted County, Minnesota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- M 23 over Mill Creek in Olmsted 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 2003, making it 22 years old at the 2025 inventory.
- It carries about 94 vehicles a day (traffic count year 2001).
- Its listed owner is a city or municipal highway agency.
- It is one of 235 of the 367 inventoried bridges in Olmsted County rated good (64.0%); 5 (1.4%) 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 2024, 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 → (43.84854, -92.19577)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 126 ft |
| Location | 0.2 Mi W Jct Th 52 on Di |
| NBI structure number | 55570 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| 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 Olmsted County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 52 over Stream | 2005 | 52,227 | Good |
| US 52 over Kings Run | 2005 | 52,227 | Fair |
| US 52 over Cascade Creek | 2004 | 46,000 | Good |
| US 52 over US 14(CIVIC Center Dr) | 2004 | 45,000 | Good |
| US 52 over US 14(CIVIC Center Dr) | 2004 | 42,317 | Good |
| US 52 over Cascade Creek | 2004 | 42,317 | Good |
All bridges nearby: Olmsted County, MN bridge conditions · every bridge in Olmsted County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.