230th ST over Calamus Creek
Good Condition3 years old30 vehicles/day
Location
| State | Iowa |
| County | Clinton |
| Location | On 230th St. |
| Carries | 230th ST |
| Crosses | Calamus Creek |
| Coordinates | 41.84370, -90.68967 |
Condition Ratings
| Overall Condition | Good |
| Deck | 9 (Excellent) |
| Superstructure | 9 (Excellent) |
| Substructure | 9 (Excellent) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 36.7 ft (11.2 m) |
| Max Span | 32.2 ft (9.8 m) |
| Deck Width | 36.7 ft (11.2 m) |
| Deck Area | 125.4 sq m |
| Main Spans | 1 |
| Year Built | 2023 |
Traffic
| Avg Daily Traffic | 30 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000366930 |