Bridge conditions in Clay County, Missouri
444 inventoried bridges · 32 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Clay County tracks close to typical: 32 of its 444 inventoried bridges (7.2%) are rated poor, against a national rate of about 7%.
- 32 of the 444 bridges in Clay County, Missouri, are rated in poor condition (7.2%) in the 2025 National Bridge Inventory, as of .
- 156 bridges (35.1%) are rated good and 256 (57.7%) fair.
- The median Clay County bridge was built in 1980.
- The busiest poor-rated bridge is Is 29 N over Rp US169S to IS29S US 1 (built 1957), carrying about 57,469 vehicles a day.
Good 35.1% · Fair 57.7% · Poor 7.2% of 444 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 29 N over Rp US169S to IS29S US 1 | 1957 | 57,469 | Poor |
| Is 435 S over Fk of Wilkerson CR | 1983 | 24,752 | Poor |
| US 169 N over BNSF RR | 1956 | 21,563 | Poor |
| Rp IS35S to IS435S over Is 35 | 1969 | 16,197 | Poor |
| Mo 33 S over CR | 1927 | 6,459 | Poor |
| Antioch Rd over Rock CR | 1920 | 3,371 | Poor |
| Sp 69 S over Is 35 | 1954 | 1,934 | Poor |
| Dunbar Ave over Henrie Ave | 1907 | 1,700 | Poor |
| NE 112TH St over Fishing Rvr | 1930 | 1,168 | Poor |
| NE 143RD Terrace over Br of Fishing Rvr | 1935 | 1,000 | Poor |
| Richfield Rd over Rush CR | 1920 | 900 | Poor |
| Raymond Hall Rd over Clear CR | 1980 | 679 | Poor |
| Stockdale Rd over Canadian Pacific R | 1930 | 600 | Poor |
| Walker Rd over Rock CR | 1975 | 500 | Poor |
| Garland Ave over Dry Fk Fishing Rvr | 1917 | 450 | Poor |
| 3RD St over Fishing Rvr | 1969 | 400 | Poor |
| 144TH St over Rock CR | 1968 | 325 | Poor |
| 164TH St over Br of Williams CR | 1945 | 314 | Poor |
| Lafoon Rd over Williams CR | 1971 | 270 | Poor |
| Old 210 Hwy over Rush CR | 1946 | 267 | Poor |
| Old 210 Hwy over Rush CR | 1940 | 267 | Poor |
| Johnson Rd over Br Lit Shoal CR | 1940 | 250 | Poor |
| Marilynn St over Cates Br | 1960 | 250 | Poor |
| Sherrill St over Cates Br | 1900 | 250 | Poor |
| South County Line over Small CR | 1921 | 225 | Poor |
| 178TH St over New Hope CR | 1955 | 216 | Poor |
| Burris Rd over Trib of Muddy Fk | 1996 | 157 | Poor |
| 74TH St over Rush CR | 1950 | 120 | Poor |
| 172ND St over New Hope CR | 1919 | 109 | Poor |
| Watkins Rd over Br of Williams CR | 1986 | 105 | Poor |
| N Thompson Ave over Fk of Fishing Rvr | 1990 | 90 | Poor |
| Hillcrest St over Owens Br | 1985 | 45 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 29 S over Cst Levee Rd Missouri | 2010 | 108,151 | Fair |
| Is 29 S over Cst 14TH Ave BNSF RR | 1953 | 108,151 | Fair |
| Is 435 S over Drain Dtch | 1967 | 81,653 | Fair |
| Is 435 S over Cst N Levee Rd Missou | 1972 | 81,653 | Fair |
| Is 435 S over Mill CR | 1969 | 76,557 | Fair |
| Is 35 S over Lit Shoal CR | 1953 | 66,486 | Fair |
| Mo 152 E over Is 35 | 2019 | 66,123 | Good |
| Is 35 S over Mill CR | 1958 | 64,517 | Good |
| Is 35 S over Rock CR | 1956 | 64,342 | Fair |
| Mo 152 E over N Br of Big Shoal | 1995 | 60,264 | 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.