Mn 40 over Ditch
Lac qui Parle County, Minnesota · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mn 40 over Ditch in Lac qui Parle County, Minnesota, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1949, making it 76 years old at the 2025 inventory.
- It carries about 1,514 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 34 of the 174 inventoried bridges in Lac qui Parle County rated fair (19.5%); 10 (5.7%) are rated poor.
- 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 → (45.0292, -96.06274)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 5 | Fair condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 26 ft |
| Location | 3.5 Mi S of Jct Th 119 |
| NBI structure number | 6706 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Lac qui Parle County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 212 over Lac Qui Parle River | 1984 | 3,415 | Good |
| US 212 over Ten Mile Creek (jd #8) | 1983 | 2,300 | Good |
| Csah 37 over W Fk Lac Qui Parle River | 1977 | 2,146 | Good |
| Csah 23 over W Fk Lac Qui Parle River | 1998 | 2,146 | Good |
| US 212 over Stream | 1931 | 1,935 | Good |
| US 212 over W Fk Lac Qui Parle River | 1981 | 1,935 | Good |
All bridges nearby: Lac qui Parle County, MN bridge conditions · every bridge in Lac qui Parle County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.