Local 120th ST over Little Sioux River
Poor Condition55 years old40 vehicles/day
Location
| State | Iowa |
| County | Harrison |
| Location | 081440703 |
| Carries | Local 120th ST |
| Crosses | Little Sioux River |
| Coordinates | 41.83516, -96.01794 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 316.9 ft (96.6 m) |
| Max Span | 149.9 ft (45.7 m) |
| Deck Width | 23.6 ft (7.2 m) |
| Deck Area | 695.5 sq m |
| Main Spans | 1 |
| Year Built | 1971 (reconstructed 1986) |
Traffic
| Avg Daily Traffic | 40 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000179721 |