CR 21b over Miami River
Poor Condition144 years old816 vehicles/day
Location
| State | Ohio |
| County | Logan |
| Location | .05 M W Of CR 21 |
| Carries | CR 21b |
| Crosses | Miami River |
| Coordinates | 40.35117, -83.93833 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 143.0 ft (43.6 m) |
| Max Span | 140.1 ft (42.7 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 213.6 sq m |
| Main Spans | 1 |
| Year Built | 1882 (reconstructed 1997) |
Traffic
| Avg Daily Traffic | 816 (2015) |
| Truck Traffic | 7% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 4631838 |