Ralls County Bridge Report Card
Ralls County scores 83 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Ralls County, Missouri
Ralls County has 136 bridges in the National Bridge Inventory, with 11 rated poor and 0 rated scour-critical. Its poor-condition share of 8.1% is at or below the 8.8% statewide average. Poor-condition bridges carry about 1,023 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Ralls County a Bridge Condition Exposure Score of 83/100 (B). The county has 136 bridges in the National Bridge Inventory, including 11 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 1,023 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 | 8.1% | 16.2 |
| Poor-condition traffic exposure | 25 | 0.6% of measured traffic | 0.5 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 49 years vs 48 nationally | 0.5 |
| Traffic-data completeness | 5 | 157,666 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 | 8.1% |
| State Poor-Condition Share | 8.8% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 49 years |
| Poor-Condition Traffic Exposure | 1,023 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Ralls County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| RT Hh E over Br Of Bear CR | Poor condition + traffic exposure | Poor | 298 | 1974 |
| Monkeyrun Tr 071 over Marble CR | Poor condition + traffic exposure | Poor | 200 | 1900 |
| Flinthill RD 077 over Branch | Poor condition + traffic exposure | Poor | 150 | 1970 |
| Public RD over Branch | Poor condition + traffic exposure | Poor | 150 | 1982 |
| Bridgewater LN over Hays CR | Poor condition + traffic exposure | Poor | 50 | 1920 |
| Longspur RD 275 over Br Of Spencer CR | Poor condition + traffic exposure | Poor | 50 | 1992 |
| Hutchison LN 241 over E Lick CR | Poor condition + traffic exposure | Poor | 35 | 1910 |
| Hippo Branch RD over Jug Run Br | Poor condition + traffic exposure | Poor | 35 | 1986 |
| Vermont LN 200 over Spencer CR | Poor condition + traffic exposure | Poor | 25 | 1910 |
| Ilasco Trail 279 over Marble CR | Poor condition + traffic exposure | Poor | 15 | 1910 |
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.