18th ST over Duck Creek
Poor Condition64 years old4,210 vehicles/day
Location
| State | Iowa |
| County | Scott |
| Location | Bettendorf Ia |
| Carries | 18th ST |
| Crosses | Duck Creek |
| Coordinates | 41.53912, -90.50708 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 125.0 ft (38.1 m) |
| Max Span | 48.9 ft (14.9 m) |
| Deck Width | 51.5 ft (15.7 m) |
| Deck Area | 598.2 sq m |
| Main Spans | 3 |
| Year Built | 1962 (reconstructed 1990) |
Traffic
| Avg Daily Traffic | 4,210 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000000670 |