E23 170th ST over Keigley Branch
Good Condition13 years old120 vehicles/day
Location
| State | Iowa |
| County | Story |
| Location | 084230701 |
| Carries | E23 170th ST |
| Crosses | Keigley Branch |
| Coordinates | 42.10660, -93.57520 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 121.1 ft (36.9 m) |
| Max Span | 46.9 ft (14.3 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 372.7 sq m |
| Main Spans | 3 |
| Year Built | 2013 |
Traffic
| Avg Daily Traffic | 120 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2022 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000315272 |