Knox County Bridge Report Card
Knox County scores 86 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Knox County, Missouri
Knox County has 167 bridges in the National Bridge Inventory, with 9 rated poor and 0 rated scour-critical. Its poor-condition share of 5.4% is at or below the 8.8% statewide average. Poor-condition bridges carry about 1,400 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Knox County a Bridge Condition Exposure Score of 86/100 (B). The county has 167 bridges in the National Bridge Inventory, including 9 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 1,400 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 5.4% | 10.8 |
| Poor-condition traffic exposure | 25 | 3.8% of measured traffic | 2.8 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 38 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 37,235 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 5.4% |
| State Poor-Condition Share | 8.8% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 38 years |
| Poor-Condition Traffic Exposure | 1,400 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Knox County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| RT V S over Lit Bridges CR | Poor condition + traffic exposure | Poor | 924 | 1951 |
| RT K E over Mid Fabius Rvr | Poor condition + traffic exposure | Poor | 170 | 1948 |
| County RD 193 over Branch | Poor condition + traffic exposure | Poor | 75 | 1999 |
| RT F E over Lit Fabius Rvr | Poor condition + traffic exposure | Poor | 74 | 1954 |
| County RD 115 over Rock CR | Poor condition + traffic exposure | Poor | 50 | 1988 |
| RT Bb S over North Rvr | Poor condition + traffic exposure | Poor | 32 | 1955 |
| County RD 283 over Branch | Poor condition + traffic exposure | Poor | 30 | 1985 |
| County RD 176 over S Fabius Rvr | Poor condition + traffic exposure | Poor | 25 | 1990 |
| County RD 013 over Bnsf Rr | Poor condition + traffic exposure | Poor | 20 | 1930 |
| Mo 6 E over S Fk S Fabius Rvr | High traffic | Fair | 3,515 | 1932 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.