SR-559 over Branch of Darby Creek
Champaign County, Ohio · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR-559 over Branch of Darby Creek in Champaign County, Ohio, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1956, making it 69 years old at the 2025 inventory.
- It carries about 548 vehicles a day (traffic count year 2015).
- Its listed owner is the state highway agency.
- It is one of 170 of the 193 inventoried bridges in Champaign County rated good (88.1%); 2 (1.0%) are rated poor.
- 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 → (40.19023, -83.52154)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 8 | Very good condition |
Bridge details
| Structure | Steel culvert |
| Length | about 29 ft |
| Location | 2.85MI.S. of Jct. SR-245 |
| NBI structure number | 1102990 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Champaign County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Usr 68 over Bogles Run | 1987 | 14,750 | Good |
| Usr-36 over Dugan Run | 1993 | 9,738 | Good |
| Usr 68 over I&o RR & Bikepath | 1999 | 7,375 | Good |
| Usr 68 over I&o RR & Bikepath | 1999 | 7,375 | Good |
| Usr 68 over Moores Run | 1999 | 7,375 | Good |
| Usr 68 over Moores Run | 1999 | 7,375 | Good |
All bridges nearby: Champaign County, OH bridge conditions · every bridge in Champaign County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.