M 56 over Credit River
Scott County, Minnesota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- M 56 over Credit River in Scott County, Minnesota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1938, making it 87 years old at the 2025 inventory.
- It carries about 703 vehicles a day (traffic count year 2018).
- Its listed owner is a city or municipal highway agency.
- It is one of 45 of the 129 inventoried bridges in Scott County rated fair (34.9%); 1 (0.8%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated September 2024, 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 → (44.77838, -93.3432)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 5 | 5 | Fair condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 22 ft |
| Location | 0.2 Mi S of Jct Th 13 |
| NBI structure number | 5263 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | September 2024 |
| 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 Scott County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 169 over Deans Lake Outlet | 1994 | 66,622 | Good |
| Mn 13 over Credit River | 1939 | 54,000 | Fair |
| Mn 101 over Th 13 | 2012 | 54,000 | Fair |
| Mn 13 over Dakota Ave | 2023 | 54,000 | Good |
| US 169 over Stream | 1994 | 47,006 | Good |
| US 169 over Stream | 1995 | 40,000 | Fair |
All bridges nearby: Scott County, MN bridge conditions · every bridge in Scott County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.