18th ST over Floyd River
Fair Condition64 years old2,144 vehicles/day
Location
| State | Iowa |
| County | Woodbury |
| Location | 000000000 |
| Carries | 18th ST |
| Crosses | Floyd River |
| Coordinates | 42.50834, -96.38142 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 363.8 ft (110.9 m) |
| Max Span | 102.0 ft (31.1 m) |
| Deck Width | 58.1 ft (17.7 m) |
| Deck Area | 1962.9 sq m |
| Main Spans | 4 |
| Year Built | 1962 (reconstructed 2016) |
Traffic
| Avg Daily Traffic | 2,144 (2021) |
| Truck Traffic | 12% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010570 |