Ia 163 over Four Mile Creek
Fair Condition51 years old23,300 vehicles/day
Location
| State | Iowa |
| County | Polk |
| Location | 1.7 Mi. W Of Jct. U.s. 65 |
| Carries | Ia 163 |
| Crosses | Four Mile Creek |
| Coordinates | 41.60063, -93.53026 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 255.9 ft (78 m) |
| Max Span | 86.9 ft (26.5 m) |
| Deck Width | 59.4 ft (18.1 m) |
| Deck Area | 1411.8 sq m |
| Main Spans | 3 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 23,300 (2022) |
| Truck Traffic | 4% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000040941 |