Cooper County Bridge Report Card
Cooper County scores 91 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Cooper County, Missouri
Cooper County has 193 bridges in the National Bridge Inventory, with 6 rated poor and 2 rated scour-critical. Its poor-condition share of 3.1% is at or below the 8.8% statewide average. Poor-condition bridges carry about 1,366 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Cooper County a Bridge Condition Exposure Score of 91/100 (A). The county has 193 bridges in the National Bridge Inventory, including 6 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 1,366 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 | 3.1% | 6.2 |
| Poor-condition traffic exposure | 25 | 0.6% of measured traffic | 0.5 |
| Scour-critical bridge share | 20 | 1.0% | 2.1 |
| Average age vs national baseline | 10 | 41 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 222,789 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 | 3.1% |
| State Poor-Condition Share | 8.8% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.0% |
| Average Bridge Age | 41 years |
| Poor-Condition Traffic Exposure | 1,366 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Cooper County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Billingsville RD over Br Of Petite Salin | Poor condition + traffic exposure | Poor | 750 | 1965 |
| RT M S over Is 70 | Poor condition + traffic exposure | Poor | 313 | 1961 |
| Dunkles DR S over Is 70 | Poor condition + traffic exposure | Poor | 208 | 1958 |
| Wildlife RD over Lamine Rvr | Poor condition + traffic exposure | Poor | 50 | 1900 |
| Imhoff RD over Lamine Rvr | Poor condition + traffic exposure | Poor | 25 | 1907 |
| Shackelford Bridge over Lamine Rvr | Poor condition + traffic exposure | Poor | 20 | 1913 |
| Mo 87 S over Clarks Fork CR | Scour-critical foundation rating | Fair | 1,949 | 1990 |
| RT K S over Blackwater Rvr | Scour-critical foundation rating | Fair | 479 | 1965 |
| Is 70 E over Martins Br | High traffic | Fair | 32,786 | 1992 |
| Is 70 E over Up Rr | High traffic | Good | 18,223 | 1958 |
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.