C-315 over Enon Rd & Mad River Flud
Clark County, Ohio · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- C-315 over Enon Rd & Mad River Flud in Clark County, Ohio, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1957, making it 68 years old at the 2025 inventory.
- It carries about 7,618 vehicles a day (traffic count year 2015).
- Its listed owner is the county highway agency.
- It is one of 85 of the 340 inventoried bridges in Clark County rated fair (25.0%); 1 (0.3%) are rated poor.
- 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 → (39.89172, -83.93548)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 5 | Fair condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 227 ft |
| Location | 100FT So St RT4 |
| NBI structure number | 1252232 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Clark County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ir-70 over CR 338 Xenia Rd Aband. R | 2020 | 63,108 | Good |
| Ir-70 over CR 338 Xenia Rd Aband. R | 2020 | 63,108 | Good |
| Ir-70 over SR 72 | 2020 | 63,108 | Good |
| Ir-70 over SR 72 | 2020 | 63,108 | Good |
| Ir 70 over Usr 68 | 2020 | 61,300 | Good |
| Ir 70 over Usr 68 | 2020 | 60,286 | Good |
All bridges nearby: Clark County, OH bridge conditions · every bridge in Clark County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.