Carroll County Bridge Report Card
Carroll County scores 55 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Carroll County, Missouri
Carroll County has 374 bridges in the National Bridge Inventory, with 65 rated poor and 11 rated scour-critical. Its poor-condition share of 17.4% is above the 8.8% statewide average. Poor-condition bridges carry about 5,666 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Carroll County a Bridge Condition Exposure Score of 55/100 (F). The county has 374 bridges in the National Bridge Inventory, including 65 in poor condition and 11 rated scour-critical. Poor-condition bridges carry about 5,666 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 | 17.4% | 34.8 |
| Poor-condition traffic exposure | 25 | 5.2% of measured traffic | 3.9 |
| Scour-critical bridge share | 20 | 2.9% | 5.9 |
| Average age vs national baseline | 10 | 50 years vs 48 nationally | 0.7 |
| Traffic-data completeness | 5 | 108,017 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 | 17.4% |
| State Poor-Condition Share | 8.8% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 2.9% |
| Average Bridge Age | 50 years |
| Poor-Condition Traffic Exposure | 5,666 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Carroll County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| US 24 E over Grand Rvr | Poor condition + traffic exposure | Poor | 1,938 | 1987 |
| County Road 320 over Drain Dtch | Poor condition + traffic exposure | Poor | 40 | 1975 |
| County Road 291 over Wolf CR | Poor condition + traffic exposure | Poor | 35 | 1940 |
| County Road 120 over Hurricane CR | Poor condition + traffic exposure | Poor | 35 | 1950 |
| County Road 201 over Mccroskie CR | Poor condition + traffic exposure | Poor | 15 | 1960 |
| County Road 111 over Br Of Burr Oak CR | Poor condition + traffic exposure | Poor | 15 | 1998 |
| N Mason ST over Bnsf Rr | Poor condition + traffic exposure | Poor | 1,000 | 1935 |
| E Washington AVE over Standley Br | Poor condition + traffic exposure | Poor | 500 | 1940 |
| E Third ST over Standley Br | Poor condition + traffic exposure | Poor | 300 | 1960 |
| W Lincoln AVE over Brush CR | Poor condition + traffic exposure | Poor | 200 | 1940 |
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.