Bridge conditions in Monroe County, Missouri
175 inventoried bridges · 23 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Of the 175 Monroe County bridges in the federal inventory, 23 carry a poor rating. That 13.1% share is roughly 2x the national average.
- 23 of the 175 bridges in Monroe County, Missouri, are rated in poor condition (13.1%) in the 2025 National Bridge Inventory, as of .
- 49 bridges (28.0%) are rated good and 103 (58.9%) fair.
- The median Monroe County bridge was built in 1986.
- The busiest poor-rated bridge is Mo 15 S over Mid Fk Salt Rvr (built 1985), carrying about 2,320 vehicles a day.
Good 28.0% · Fair 58.9% · Poor 13.1% of 175 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 |
|---|---|---|---|
| Mo 15 S over Mid Fk Salt Rvr | 1985 | 2,320 | Poor |
| Mo 151 S over Small CR | 1933 | 465 | Poor |
| W Hickory St over Town Br | 1900 | 350 | Poor |
| Rt C S over Elk Fk Salt Rvr | 1968 | 131 | Poor |
| County Rd 436 over Branch | 1978 | 50 | Poor |
| County Rd 390 over Indian CR | 1916 | 50 | Poor |
| County Rd 370 over Branch | 1935 | 40 | Poor |
| County Rd 670 over Burbridge CR | 1995 | 35 | Poor |
| County Rd 859 over Long Branch CR | 1910 | 30 | Poor |
| County Rd 800 over Branch | 1920 | 30 | Poor |
| County Rd 211 over Crooked CR | 1910 | 30 | Poor |
| County Rd 624 over Long Br | 1914 | 25 | Poor |
| County Rd 857 over Branch | 1930 | 25 | Poor |
| County Rd 857 over Elk Fk Salt Rvr | 1910 | 25 | Poor |
| County Rd 215 over Mid Fk of Salt Rvr | 1910 | 25 | Poor |
| County Rd 141 over Mid Fk of Salt Rvr | 1920 | 20 | Poor |
| County Rd 611 over Long Br | 1910 | 15 | Poor |
| County Rd 857 over Bee CR | 1910 | 15 | Poor |
| County Rd 360 over Clear CR | 1930 | 15 | Poor |
| County Rd 275 over Otter CR | 1910 | 15 | Poor |
| County Rd 836 over Branch | 2007 | 15 | Poor |
| County Rd 255 over Crooked CR | 1910 | 10 | Poor |
| County Rd 986 over Briar CR | 1925 | 5 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 24 E over Lit Indian CR | 1931 | 2,785 | Fair |
| Mo 15 S over Mid Fk Salt Rvr | 1985 | 2,320 | Poor |
| Mo 15 S over CR | 1925 | 2,320 | Fair |
| Mo 15 S over Elk Fk Salt Rvr | 1988 | 2,206 | Good |
| US 24 E over Buck CR | 1984 | 1,984 | Fair |
| US 24 E over NS RR | 1984 | 1,984 | Fair |
| US 24 E over Otter CR | 1977 | 1,921 | Fair |
| US 24 E over N Fk Salt Rvr | 1977 | 1,921 | Fair |
| Mo 154 E over Elk Fk Salt Rvr | 1976 | 1,847 | Fair |
| Mo 154 E over Jordan Br | 1976 | 1,847 | 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.