SR 56 over Clark Run
Pickaway County, Ohio · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 56 over Clark Run in Pickaway County, Ohio, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1961, making it 64 years old at the 2025 inventory.
- It carries about 1,644 vehicles a day (traffic count year 2015).
- Its listed owner is the state highway agency.
- It is one of 77 of the 223 inventoried bridges in Pickaway County rated fair (34.5%); 7 (3.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: deck 9 to 8, superstructure 9 to 8, substructure 6 to 5.
- Its most recent inspection on record is dated July 2024, on a 12-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (39.69876, -83.22947)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 9 | 8 | Very good condition |
| Superstructure | 9 | 8 | Very good condition |
| Substructure | 6 | 5 | Fair condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 53 ft |
| Location | 1.59 Mi E of Madison Co. |
| NBI structure number | 6501176 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Pickaway County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 23 over Bulen Ditch | 1955 | 30,187 | Fair |
| US-23 NB & SB over over Us22-1726 | 1957 | 25,405 | Good |
| US 23 over Island Run | 1957 | 22,436 | Good |
| I-71 over Opossum Run | 1964 | 20,873 | Fair |
| I-71 over Opossum Run | 1964 | 20,873 | Poor |
| US-23 over over NS RR | 1957 | 14,187 | Good |
All bridges nearby: Pickaway County, OH bridge conditions · every bridge in Pickaway County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.