L20 Loess Hills over Small Natural Stream
Fair Condition99 years old1,451 vehicles/day
Location
| State | Iowa |
| County | Harrison |
| Location | 078441010 |
| Carries | L20 Loess Hills |
| Crosses | Small Natural Stream |
| Coordinates | 41.56812, -95.89679 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 5 (Fair) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 21.0 ft (6.4 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 66.6 sq m |
| Main Spans | 2 |
| Year Built | 1927 |
Traffic
| Avg Daily Traffic | 1,451 (2022) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 000000000027820 |