SB Dubuque ST over I 80
Fair Condition63 years old2,750 vehicles/day
Location
| State | Iowa |
| County | Johnson |
| Location | At The Jct. Of S.r. W66 |
| Carries | SB Dubuque ST |
| Crosses | I 80 |
| Coordinates | 41.68701, -91.54032 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 240.2 ft (73.2 m) |
| Max Span | 65.9 ft (20.1 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 805.2 sq m |
| Main Spans | 4 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 2,750 (2022) |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000032110 |