Csah 31 over Co Ditch # 34
Lac qui Parle County, Minnesota · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Csah 31 over Co Ditch # 34 in Lac qui Parle County, Minnesota, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1977, making it 48 years old at the 2025 inventory.
- It carries about 230 vehicles a day (traffic count year 2016).
- Its listed owner is the county highway agency.
- It is one of 130 of the 174 inventoried bridges in Lac qui Parle County rated good (74.7%); 10 (5.7%) are rated poor.
- 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 → (44.95468, -95.92116)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 32 ft |
| Location | 1.3 Mi N of Jct Th 212 |
| NBI structure number | 91503 |
| Condition class | Good |
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.