Rock Bridge Drive over Unamed Ditch
Good Condition18 years old170 vehicles/day
Location
| State | Indiana |
| County | Boone |
| Location | 00.01 N Of CR 400 S |
| Carries | Rock Bridge Drive |
| Crosses | Unamed Ditch |
| Coordinates | 39.98365, -86.29763 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 35.4 ft (10.8 m) |
| Max Span | 35.4 ft (10.8 m) |
| Deck Area | 89.6 sq m |
| Main Spans | 1 |
| Year Built | 2008 |
Traffic
| Avg Daily Traffic | 170 (2017) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0600207 |