Bridge conditions in Clinton County, Missouri
153 inventoried bridges · 12 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
12 of the 153 bridges the federal inventory lists in Clinton County are rated poor; the rest split 51 good and 90 fair.
- 12 of the 153 bridges in Clinton County, Missouri, are rated in poor condition (7.8%) in the 2025 National Bridge Inventory, as of .
- 51 bridges (33.3%) are rated good and 90 (58.8%) fair.
- The median Clinton County bridge was built in 1991.
- The busiest poor-rated bridge is NE 303RD St over Deer CR (built 1997), carrying about 50 vehicles a day.
Good 33.3% · Fair 58.8% · Poor 7.8% of 153 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 |
|---|---|---|---|
| NE 303RD St over Deer CR | 1997 | 50 | Poor |
| NE 280TH St over Lit Platte Rvr | 1989 | 40 | Poor |
| SW 200TH St over Dicks CR | 1950 | 40 | Poor |
| NW 284TH St over Castile CR | 1970 | 35 | Poor |
| NW Bethany Ch Rd over Br of Castile CR | 1989 | 35 | Poor |
| NE 352ND St over Lit Platte Rvr | 1991 | 25 | Poor |
| NE 288TH St over Lit Platte Rvr | 1986 | 25 | Poor |
| NW 348TH Rd over Castile CR | 1975 | 20 | Poor |
| NW Bethany Ch Rd over Castile CR | 1991 | 15 | Poor |
| NE 312TH St over Little Smith Creek | 1990 | 15 | Poor |
| NE 288TH St over Lit Shoal CR | 1910 | 10 | Poor |
| NE 336TH St over Br of Brushy CR | 1997 | 10 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 35 S over Crd SE 232ND St | 1964 | 13,299 | Good |
| Is 35 N over Crd SE 232ND St | 1964 | 12,673 | Fair |
| Is 35 S over Shoal CR | 1963 | 11,864 | Good |
| Is 35 S over Brushy CR | 1963 | 11,864 | Fair |
| Is 35 N over Shoal CR | 1963 | 11,659 | Fair |
| Is 35 N over Brushy CR | 1963 | 11,659 | Fair |
| US 169 S over Dick CR | 1936 | 9,270 | Fair |
| Mo 33 S over Lit Platte Rvr | 2004 | 4,859 | Good |
| Rt Pp E over Holt CR | 1964 | 4,130 | Fair |
| US 69 S over Barnsvile Br | 1930 | 4,095 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
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.