Bridge conditions in Perry County, Missouri
122 inventoried bridges · 21 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Of the 122 Perry County bridges in the federal inventory, 21 carry a poor rating. That 17.2% share is roughly 3x the national average.
- 21 of the 122 bridges in Perry County, Missouri, are rated in poor condition (17.2%) in the 2025 National Bridge Inventory, as of .
- 35 bridges (28.7%) are rated good and 66 (54.1%) fair.
- The median Perry County bridge was built in 1962.
- The busiest poor-rated bridge is Mo 51 S over Is 55 (built 1970), carrying about 10,761 vehicles a day.
Good 28.7% · Fair 54.1% · Poor 17.2% of 122 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 51 S over Is 55 | 1970 | 10,761 | Poor |
| Rt T E over Is 55 | 1970 | 4,717 | Poor |
| Mo 51 S over Kaskaskia St Mississi | 1942 | 3,806 | Poor |
| Mo 51 S over Horse Island Chute | 1942 | 3,806 | Poor |
| Rt T E over Saline CR | 1933 | 1,248 | Poor |
| Rt B S over Is 55 | 1970 | 1,153 | Poor |
| Rt K S over Apple CR | 1960 | 995 | Poor |
| Rt O E over Apple CR | 1958 | 386 | Poor |
| Rt Nn E over Is 55 | 1970 | 364 | Poor |
| Rt Nn E over Saline CR | 1956 | 364 | Poor |
| Rt F E over Is 55 | 1970 | 290 | Poor |
| Rt C S over Cinquehms CR | 1961 | 198 | Poor |
| County Rd 854 over Trib of S Saline C | 1905 | 45 | Poor |
| County Rd 210 over Sterile Br | 1940 | 35 | Poor |
| County Rd 921 over Trib of Blue Sprin | 1920 | 35 | Poor |
| County Rd 458 over Creek | 1935 | 35 | Poor |
| County Rd 418 over Brazeau CR | 1933 | 35 | Poor |
| County Rd 422 over Indian CR | 1937 | 35 | Poor |
| County Rd 422 over Br of Indian CR | 1940 | 35 | Poor |
| County Rd 540 over Creek | 1940 | 35 | Poor |
| Rt E S over Bois Brule CR | 1958 | 17 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 55 S over Apple CR | 1970 | 11,280 | Good |
| Mo 51 S over Is 55 | 1970 | 10,761 | Poor |
| Is 55 S over Saline CR | 1970 | 9,523 | Fair |
| Is 55 N over Saline CR | 1970 | 9,485 | Fair |
| Is 55 N over Tyler Br | 1971 | 9,389 | Fair |
| Is 55 S over Tyler Br | 1971 | 9,274 | Good |
| Is 55 N over Apple CR | 1970 | 9,106 | Good |
| Rt T E over Is 55 | 1970 | 4,717 | Poor |
| US 61 S over Cinque Hommes CR | 1996 | 4,174 | Good |
| Mo 51 S over Kaskaskia St Mississi | 2024 | 3,806 | Good |
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.