Bridge conditions in Sibley County, Minnesota
101 inventoried bridges · 2 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 101 bridges in Sibley County: 66 rated good, 33 fair, and 2 poor.
- 2 of the 101 bridges in Sibley County, Minnesota, are rated in poor condition (2.0%) in the 2025 National Bridge Inventory, as of .
- 66 bridges (65.3%) are rated good and 33 (32.7%) fair.
- The median Sibley County bridge was built in 1998.
- The busiest poor-rated bridge is Csah 18 over Stream (built 1930), carrying about 294 vehicles a day.
Good 65.3% · Fair 32.7% · Poor 2.0% of 101 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Csah 18 over Stream | 1930 | 294 | Poor |
| T 71 over High Island Creek | 1940 | 64 | Poor |
Busiest bridges in the 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 |
| Mn 15 over Mid Br Rush RIVER(CD#23A | 1985 | 3,783 | Good |
| Mn 5 over N Br Rush River | 1957 | 3,751 | Fair |
| Mn 5 over High Island Creek | 1991 | 3,693 | Good |
| Mn 22 over Jud Ditch # 20 | 1997 | 2,750 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Minnesota: Minnesota bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.