Vernon County Bridge Report Card
Vernon County scores 83 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Vernon County, Missouri
Vernon County has 404 bridges in the National Bridge Inventory, with 15 rated poor and 0 rated scour-critical. Its poor-condition share of 3.7% is at or below the 8.8% statewide average. Poor-condition bridges carry about 35,849 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Vernon County a Bridge Condition Exposure Score of 83/100 (B). The county has 404 bridges in the National Bridge Inventory, including 15 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 35,849 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 | 3.7% | 7.4 |
| Poor-condition traffic exposure | 25 | 12.1% of measured traffic | 9.1 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 36 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 295,424 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 | 3.7% |
| State Poor-Condition Share | 8.8% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 36 years |
| Poor-Condition Traffic Exposure | 35,849 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Vernon County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Is 49 S over US 54 Mna Rr | Poor condition + traffic exposure | Poor | 9,382 | 1969 |
| Is 49 S over Douglas Br | Poor condition + traffic exposure | Poor | 6,540 | 1969 |
| Is 49 S over RT K | Poor condition + traffic exposure | Poor | 4,685 | 1969 |
| RT W S over Medigener CR | Poor condition + traffic exposure | Poor | 4,480 | 1921 |
| US 54 E over Drywood CR | Poor condition + traffic exposure | Poor | 4,057 | 1984 |
| RT Bb S over Birch CR | Poor condition + traffic exposure | Poor | 3,149 | 1967 |
| RT B E over Is 49 | Poor condition + traffic exposure | Poor | 1,279 | 1975 |
| RT E E over Mccarty CR | Poor condition + traffic exposure | Poor | 813 | 1935 |
| RT T S over Moores Br | Poor condition + traffic exposure | Poor | 628 | 1985 |
| RT M S over Makenzie CR | Poor condition + traffic exposure | Poor | 431 | 1935 |
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.