Ir 71 over Big Darby Creek
Franklin County, Ohio · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ir 71 over Big Darby Creek in Franklin County, Ohio, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 9 (excellent condition) on the 0-9 scale.
- It was built in 2020, making it 5 years old at the 2025 inventory.
- It carries about 21,350 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 655 of the 920 inventoried bridges in Franklin County rated good (71.2%); 27 (2.9%) 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 April 2023, 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 → (39.82118, -83.16978)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 9 | 9 | Excellent condition |
| Superstructure | 9 | 9 | Excellent condition |
| Substructure | 9 | 9 | Excellent condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 311 ft |
| Location | 1.53 Mi N of Pickaway Co. |
| NBI structure number | 2506786 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2023 |
| Inspection interval (item 91) | 24 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 Franklin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rmp (161wb-270sb) over over Ramp (161wb-270sb) | 2007 | 181,641 | Good |
| I-270 Eb/wb over Olentangy River | 1969 | 180,261 | Good |
| I-270 over over NS & Csxt Railroads | 1966 | 172,736 | Good |
| I-270 over over Worthington-galena | 1966 | 172,736 | Good |
| I270 over Ramp 270WB to 71SB | 1966 | 163,950 | Fair |
| IR71 over over CSX & NS RR | 1993 | 160,570 | Good |
All bridges nearby: Franklin County, OH bridge conditions · every bridge in Franklin County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.