Diley Road Tr 207 over US33 Under Diley Road
Fairfield County, Ohio · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Diley Road Tr 207 over US33 Under Diley Road in Fairfield County, Ohio, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2004, making it 21 years old at the 2025 inventory.
- It carries about 18,588 vehicles a day (traffic count year 2017).
- Its listed owner is the state highway agency.
- It is one of 185 of the 322 inventoried bridges in Fairfield County rated good (57.5%); 21 (6.5%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated July 2024, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (39.84343, -82.78155)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 182 ft |
| Location | 1.1 M E of Frankl Co Line |
| NBI structure number | 2300443 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Fairfield County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| WB I-70 over IR70 over Blacklick Ck | 1967 | 50,351 | Fair |
| EB I-70 over IR70 over Blacklick Ck | 1967 | 50,351 | Fair |
| US Route 33 over Sycamore Creek | 1950 | 40,661 | Good |
| US Route 33 over Little Walnut Creek | 1951 | 40,661 | Good |
| US Route 33 over Tributary of Walnut Cree | 1950 | 40,661 | Fair |
| WB I-70 over IR70 over SR256 | 1967 | 25,282 | Fair |
All bridges nearby: Fairfield County, OH bridge conditions · every bridge in Fairfield County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.