Bridge conditions in Cass County, Missouri
378 inventoried bridges · 31 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 378 bridges in Cass County: 141 rated good, 206 fair, and 31 poor.
- 31 of the 378 bridges in Cass County, Missouri, are rated in poor condition (8.2%) in the 2025 National Bridge Inventory, as of .
- 141 bridges (37.3%) are rated good and 206 (54.5%) fair.
- The median Cass County bridge was built in 1997.
- The busiest poor-rated bridge is Mo 2 E over Poney CR (built 1972), carrying about 3,976 vehicles a day.
Good 37.3% · Fair 54.5% · Poor 8.2% of 378 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.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 49 S over Cst 163RD St | 2008 | 45,809 | Good |
| Is 49 S over Millers Hollow CR | 1968 | 43,237 | Fair |
| Is 49 S over Muddy CR | 1965 | 38,579 | Fair |
| Is 49 S over Town CR | 1965 | 37,769 | Fair |
| Mo 58 E over Is 49 | 1968 | 35,273 | Fair |
| Is 49 N over Cst 163RD St | 2008 | 31,731 | Good |
| Is 49 N over Crd 195TH St Crd 195T | 1968 | 22,422 | Fair |
| Is 49 S over Cst Mechanic St Mo 2 | 1965 | 22,096 | Fair |
| Is 49 S over No Name Br | 1970 | 21,280 | Fair |
| Mo 7 S over Str | 1990 | 21,174 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
Every bridge in Cass County → - all 378, busiest first, each with its own condition record.
All of Missouri: Missouri 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.