W 18th ST over Cedar River
Good Condition23 years old10,921 vehicles/day
Location
| State | Iowa |
| County | Black Hawk |
| Location | City Bridge No. 20 |
| Carries | W 18th ST |
| Crosses | Cedar River |
| Coordinates | 42.48722, -92.32327 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| 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 | 658.1 ft (200.6 m) |
| Max Span | 131.9 ft (40.2 m) |
| Deck Width | 45.6 ft (13.9 m) |
| Deck Area | 2788.3 sq m |
| Main Spans | 5 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 10,921 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000012111 |