SR 729 over Grassy Branch Creek
Clinton County, Ohio · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 729 over Grassy Branch Creek in Clinton County, Ohio, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1947 and reconstructed in 1989, making it 78 years old at the 2025 inventory.
- It carries about 402 vehicles a day (traffic count year 2015).
- Its listed owner is the state highway agency.
- It is one of 45 of the 207 inventoried bridges in Clinton County rated fair (21.7%); 1 (0.5%) 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 → (39.54595, -83.61121)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 80 ft |
| Location | .06 Mi S Cli-fay Co Line |
| NBI structure number | 1403915 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Clinton County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SB Ir-71 over Anderson Fork | 2024 | 43,000 | Good |
| NB Ir-71 over Anderson Fork | 2024 | 43,000 | Good |
| SB Ir 71 over Grassy Run | 2024 | 43,000 | Good |
| NB Ir-71 over Grassy Run | 2024 | 43,000 | Good |
| US 22 over Anderson Fork | 1989 | 10,980 | Good |
| US 68 over Todd Fork | 1990 | 10,607 | Good |
All bridges nearby: Clinton County, OH bridge conditions · every bridge in Clinton County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.