Bridge conditions in Marion County, Missouri
186 inventoried bridges · 17 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 186 bridges in Marion County: 69 rated good, 100 fair, and 17 poor.
- 17 of the 186 bridges in Marion County, Missouri, are rated in poor condition (9.1%) in the 2025 National Bridge Inventory, as of .
- 69 bridges (37.1%) are rated good and 100 (53.8%) fair.
- The median Marion County bridge was built in 1988.
- The busiest poor-rated bridge is Is 72 E over Mississippi Rvr Cst 410 (built 2000), carrying about 17,638 vehicles a day.
Good 37.1% · Fair 53.8% · Poor 9.1% of 186 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 72 E over Mississippi Rvr Cst 410 | 2000 | 17,638 | Poor |
| Mo 6 E over US 24 | 1968 | 3,910 | Poor |
| Bu 61 N over US 24 | 1960 | 1,448 | Poor |
| Rt A S over Troublesome CR | 1954 | 477 | Poor |
| County Rd 153 over Br of S Fabius Rvr | 1920 | 65 | Poor |
| County Rd 118 over Br of Troublesome | 1925 | 65 | Poor |
| County Rd 118 over Troublesome CR | 1975 | 65 | Poor |
| County Rd 262 over Bear CR | 1960 | 65 | Poor |
| County Rd 110 over Troublesome CR | 1926 | 50 | Poor |
| County Rd 302 over Branch | 1950 | 50 | Poor |
| County Rd 167 over Branch | 1926 | 50 | Poor |
| County Rd 281 over Big Br | 1982 | 50 | Poor |
| County Rd 230 over Big Br | 1925 | 50 | Poor |
| County Rd 226 over Branch | 1935 | 35 | Poor |
| County Rd 229 over New Market Br | 1950 | 35 | Poor |
| County Rd 143 over Troublesome CR | 1910 | 25 | Poor |
| County Rd 222 over Br of S Fk North R | 1930 | 15 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 61 S over Minnow CR | 1930 | 29,762 | Fair |
| US 24 E over Drain Dtch | 1928 | 19,835 | Fair |
| US 24 E over BNSF RR | 1992 | 19,828 | Good |
| Is 72 E over Rp US61S to IS72E Rp Is | 2000 | 19,756 | Good |
| US 61 S over James CR | 1930 | 19,001 | Fair |
| Is 72 E over Mississippi Rvr Cst 410 | 2000 | 17,638 | Poor |
| US 24 W over Lazy Br | 1931 | 15,009 | Fair |
| US 24 W over Spring Br | 1960 | 13,136 | Fair |
| James Rd over Minnow Br | 1934 | 12,700 | Fair |
| US 36 E over Minnow Br | 1958 | 12,539 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Missouri: Missouri bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.