E23 170th ST over I-35
Good Condition59 years old139 vehicles/day
Location
| State | Iowa |
| County | Story |
| Location | 2.1 Miles North Of SR E29 |
| Carries | E23 170th ST |
| Crosses | I-35 |
| Coordinates | 42.10665, -93.55821 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 274.0 ft (83.5 m) |
| Max Span | 90.9 ft (27.7 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 818.3 sq m |
| Main Spans | 4 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 139 (2022) |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 5 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000049300 |