Stonyridge Avenue over Kidder Ditch
Miami County, Ohio · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Stonyridge Avenue over Kidder Ditch in Miami County, Ohio, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1965, making it 60 years old at the 2025 inventory.
- It carries about 2,283 vehicles a day (traffic count year 2018).
- Its listed owner is a city or municipal highway agency.
- It is one of 76 of the 312 inventoried bridges in Miami County rated fair (24.4%); 18 (5.8%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated June 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 → (40.04708, -84.17916)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete slab |
| Length | about 21 ft |
| Location | 803 Stonyridge at Kidder |
| NBI structure number | 5560004 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | June 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 7: scour countermeasures installed |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Miami County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ir 75 over Ext of Boone Creek | 2001 | 66,840 | Good |
| Ir-75 over Clayton Ext. of Peters C | 1957 | 66,840 | Good |
| Ir-75 over W. Branch of Peters Cree | 1957 | 66,840 | Good |
| Ir-75 over Branch Great Miami River | 1957 | 54,110 | Fair |
| Ir-75 over County Ditch | 1957 | 54,110 | Fair |
| Ir-75 over Howell Extension Ditch | 1957 | 54,110 | Good |
All bridges nearby: Miami County, OH bridge conditions · every bridge in Miami County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.