IH 43 NB over Root River Marsh
Poor Condition60 years old18,200 vehicles/day
Location
| State | Wisconsin |
| County | Milwaukee |
| Location | 0.7 Mi North Jct Sth 100/ |
| Carries | IH 43 NB |
| Crosses | Root River Marsh |
| Coordinates | 42.96194, -88.03793 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 363.5 ft (110.8 m) |
| Max Span | 51.5 ft (15.7 m) |
| Deck Width | 22.0 ft (6.7 m) |
| Deck Area | 742.4 sq m |
| Main Spans | 7 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 18,200 (2021) |
| Truck Traffic | 1% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | B40032200000000 |