Csah 18 over Stream
Sibley County, Minnesota · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Csah 18 over Stream in Sibley County, Minnesota, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1930, making it 95 years old at the 2025 inventory.
- It carries about 294 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 2 of the 101 inventoried bridges in Sibley County rated poor (2.0%); 2 (2.0%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (44.48182, -93.93559)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 4 | Poor condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 22 ft |
| Location | 0.1 Mi N of Jct Csah 8 |
| NBI structure number | 3200 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Minnesota department of transportation.
Busiest bridges in Sibley County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 169 over Ditch | 1960 | 15,800 | Fair |
| US 169 over Minnesota River | 2005 | 14,500 | Fair |
| Mn 93 over Minnesota River | 1984 | 5,120 | Fair |
| Mn 93 over US 169 | 1961 | 5,120 | Fair |
| Mn 25 over Minnesota River | 2005 | 5,036 | Fair |
| Mn 15 over Jud Ditch # 1A | 1985 | 3,921 | Good |
All bridges nearby: Sibley County, MN bridge conditions · every bridge in Sibley County · Minnesota bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.