N78 over Ash Creek
Good Condition43 years old240 vehicles/day
Location
| State | Nebraska |
| County | Webster |
| Location | 4s Guide Rock |
| Carries | N78 |
| Crosses | Ash Creek |
| Coordinates | 40.02170, -98.33030 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 29.9 ft (9.1 m) |
| Max Span | 8.9 ft (2.7 m) |
| Deck Area | 66.4 sq m |
| Main Spans | 3 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 240 (2018) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S078 00132 |