Bridge conditions in Knox County, Missouri
167 inventoried bridges · 9 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 167 bridges in Knox County: 59 rated good, 99 fair, and 9 poor.
- 9 of the 167 bridges in Knox County, Missouri, are rated in poor condition (5.4%) in the 2025 National Bridge Inventory, as of .
- 59 bridges (35.3%) are rated good and 99 (59.3%) fair.
- The median Knox County bridge was built in 1996.
- The busiest poor-rated bridge is Rt V S over Lit Bridges CR (built 1951), carrying about 924 vehicles a day.
Good 35.3% · Fair 59.3% · Poor 5.4% of 167 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 |
|---|---|---|---|
| Rt V S over Lit Bridges CR | 1951 | 924 | Poor |
| Rt K E over Mid Fabius Rvr | 1948 | 170 | Poor |
| County Rd 193 over Branch | 1999 | 75 | Poor |
| Rt F E over Lit Fabius Rvr | 1954 | 74 | Poor |
| County Rd 115 over Rock CR | 1988 | 50 | Poor |
| Rt Bb S over North Rvr | 1955 | 32 | Poor |
| County Rd 283 over Branch | 1985 | 30 | Poor |
| County Rd 176 over S Fabius Rvr | 1990 | 25 | Poor |
| County Rd 013 over BNSF RR | 1930 | 20 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mo 6 E over S Fk S Fabius Rvr | 1932 | 3,515 | Fair |
| Mo 6 E over N Fk S Fabius Rvr | 1985 | 2,502 | Fair |
| Mo 6 E over Democrat CR | 1929 | 2,021 | Fair |
| Mo 6 E over Rock CR | 1929 | 2,021 | Fair |
| Mo 15 N over N Fk Fabius Rvr | 2012 | 1,890 | Good |
| Mo 6 E over Troublesome CR | 2002 | 1,592 | Fair |
| Mo 15 S over BNSF RR | 1994 | 1,241 | Fair |
| Mo 11 S over Br S Fabius Rvr | 1932 | 1,136 | Fair |
| Mo 15 S over Trib to Bridge CR | 1997 | 1,037 | Fair |
| Mo 15 S over Bridge CR | 1925 | 1,037 | 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.