IH 39 NB over Rock River
Good Condition10 years old26,750 vehicles/day
Location
| State | Wisconsin |
| County | Rock |
| Location | 21 M N Jct IH 43 |
| Carries | IH 39 NB |
| Crosses | Rock River |
| Coordinates | 42.82833, -89.02556 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 718.2 ft (218.9 m) |
| Max Span | 128.0 ft (39 m) |
| Deck Width | 63.0 ft (19.2 m) |
| Deck Area | 4202.9 sq m |
| Main Spans | 6 |
| Year Built | 2016 |
Traffic
| Avg Daily Traffic | 26,750 (2022) |
| Truck Traffic | 29% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 4 |
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 | B53035800000000 |