Bridge conditions in Knox County, Ohio
275 inventoried bridges · 13 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Knox County tracks close to typical: 13 of its 275 inventoried bridges (4.7%) are rated poor, against a national rate of about 7%.
- 13 of the 275 bridges in Knox County, Ohio, are rated in poor condition (4.7%) in the 2025 National Bridge Inventory, as of .
- 149 bridges (54.2%) are rated good and 113 (41.1%) fair.
- The median Knox County bridge was built in 1994.
- The busiest poor-rated bridge is US 62 over Trib of E Br Jelloway CR (built 1932), carrying about 2,126 vehicles a day.
Good 54.2% · Fair 41.1% · Poor 4.7% of 275 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 |
|---|---|---|---|
| US 62 over Trib of E Br Jelloway CR | 1932 | 2,126 | Poor |
| Howard Danville over Little Jelloway Creek | 1915 | 1,277 | Poor |
| SR 514 over Trib of Mohican River | 1995 | 836 | Poor |
| Millwood Road over Kokosing River | 1900 | 355 | Poor |
| Shadley Valley over Shadley Valley Creek | 1970 | 324 | Poor |
| Pleasant Valley over Dry Run | 1985 | 324 | Poor |
| Kinney Road over Dry Creek | 1975 | 323 | Poor |
| Sycamore Road over Branch of Big Run | 1936 | 266 | Poor |
| Big Run over Tributary of Big Run | 1973 | 159 | Poor |
| Mile Creek Road over Mile Creek | 1926 | 155 | Poor |
| Austin Road over Honey Run | 1900 | 40 | Poor |
| Kay Road over Trib. of Mohican River | 1933 | 40 | Poor |
| Cooke Road over Trib. N. Br. Kokosing | 1896 | 40 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 13 over Kokosing River | 1892 | 26,321 | Good |
| US 36 over US 36 over Center Run | 1990 | 17,992 | Good |
| SR 13 over Dry Creek | 1969 | 16,504 | Good |
| US 36 SR 3 & 229 over Kokosing River Overflow | 1961 | 11,530 | Fair |
| US 36. SR 3 & 229 over Kokosing River | 1954 | 11,530 | Fair |
| Mount Vernon Ave. over Kokosing River | 2020 | 11,200 | Good |
| US 36 & SR 3 over North Frk Licking River | 1954 | 9,910 | Good |
| SR 13 over North Branch Kokosing | 1926 | 8,991 | Good |
| Mount Vernon Ave. over Center Run | 1979 | 8,569 | Fair |
| US 36 & SR 3 over Tribtr of Dry Creek | 1954 | 7,790 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Ohio: Ohio 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.