Bridge conditions in Delaware County, Ohio
266 inventoried bridges · 9 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
9 of the 266 bridges the federal inventory lists in Delaware County are rated poor; the rest split 183 good and 74 fair.
- 9 of the 266 bridges in Delaware County, Ohio, are rated in poor condition (3.4%) in the 2025 National Bridge Inventory, as of .
- 183 bridges (68.8%) are rated good and 74 (27.8%) fair.
- The median Delaware County bridge was built in 1988.
- The busiest poor-rated bridge is SR 257 over Ped Underpass at Zoo (built 1970), carrying about 11,179 vehicles a day.
Good 68.8% · Fair 27.8% · Poor 3.4% of 266 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 |
|---|---|---|---|
| SR 257 over Ped Underpass at Zoo | 1970 | 11,179 | Poor |
| SR 37 over Prairie Run | 1960 | 2,583 | Poor |
| SR 37 over Harsh Ditch | 1960 | 2,583 | Poor |
| SR 257 over Ottawa Creek | 1961 | 689 | Poor |
| Ostrander Rd. over Scioto River | 1968 | 665 | Poor |
| S. Washington St. over Delaware Run | 1992 | 499 | Poor |
| Fulton Creek Rd. over Fulton Creek | 1958 | 324 | Poor |
| Tyler Rd. over Bokes Creek | 1984 | 324 | Poor |
| Burnt Pond Rd. over Blues Creek | 1978 | 324 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ir-71 SB over Bale Kenyon Rd (TR107) | 2001 | 41,597 | Good |
| Ir-71 NB over over Bale-kenyon Rd TR10 | 2001 | 41,597 | Good |
| I-71 SB over Alum Creek | 1959 | 41,597 | Good |
| I-71 NB over Alum Creek | 1959 | 41,597 | Good |
| I-71 SB over over CR 21 (africa Rd.) | 1959 | 41,597 | Good |
| I-71 NB over CR 21 (africa Rd.) | 1959 | 41,597 | Good |
| I-71 SB over over Tr 109(BIG Walnut) | 1959 | 41,597 | Good |
| I-71 NB over over Tr 109 (big Walnut) | 1959 | 41,597 | Good |
| I-71 SB over Tr 105 (plumb Rd.) | 1959 | 41,597 | Fair |
| I-71 NB over Tr 105 (plumb Rd.) | 1959 | 41,597 | 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.