Ia 136 over Mississippi River & Rr
Fair Condition52 years old11,000 vehicles/day
Location
| State | Iowa |
| County | Clinton |
| Location | In North Clinton |
| Carries | Ia 136 |
| Crosses | Mississippi River & Rr |
| Coordinates | 41.86488, -90.17349 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 3012.1 ft (918.1 m) |
| Max Span | 500.0 ft (152.4 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 9272.8 sq m |
| Main Spans | 3 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 11,000 (2022) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000021055 |