Tr 51 over Br of S Fork Miami River
Logan County, Ohio · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Tr 51 over Br of S Fork Miami River in Logan County, Ohio, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1993, making it 32 years old at the 2025 inventory.
- It carries about 159 vehicles a day (traffic count year 2015).
- Its listed owner is the county highway agency.
- It is one of 219 of the 283 inventoried bridges in Logan County rated good (77.4%); 3 (1.1%) 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 November 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 → (40.49079, -83.73492)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 9 | 9 | Excellent condition |
| Superstructure | 9 | 9 | Excellent condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 55 ft |
| Location | 1.68 Miles E of CR 39 |
| NBI structure number | 4634640 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Logan County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Usr 33 over Otter Creek | 1996 | 20,551 | Good |
| Usr 33 over Van Hyning Ditch #750 | 1996 | 20,234 | Fair |
| Usr 33 over Abandoned RR | 1960 | 11,483 | Fair |
| SR-47 over Penn Central RR | 1970 | 10,497 | Fair |
| Usr 33 over CR 5 & Fish Pond Channel | 1963 | 10,117 | Good |
| Usr 33 over Cr-5 & Fish Pond Channel | 1993 | 10,117 | Good |
All bridges nearby: Logan County, OH bridge conditions · every bridge in Logan County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.