L 20 over Pigeon Creek
Fair Condition49 years old2,430 vehicles/day
Location
| State | Iowa |
| County | Pottawattamie |
| Location | 076430612 |
| Carries | L 20 |
| Crosses | Pigeon Creek |
| Coordinates | 41.40642, -95.83390 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 271.0 ft (82.6 m) |
| Max Span | 95.1 ft (29 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 883.8 sq m |
| Main Spans | 3 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 2,430 (2022) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000044001 |