SR 312 over Indiana Harbor Canal
Good Condition16 years old12,308 vehicles/day
Location
| State | Indiana |
| County | Lake |
| Location | 00.50 E US 20 |
| Carries | SR 312 |
| Crosses | Indiana Harbor Canal |
| Coordinates | 41.62934, -87.47116 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 147.0 ft (44.8 m) |
| Max Span | 48.9 ft (14.9 m) |
| Deck Width | 71.9 ft (21.9 m) |
| Deck Area | 981.1 sq m |
| Main Spans | 3 |
| Year Built | 2010 |
Traffic
| Avg Daily Traffic | 12,308 (2021) |
| Truck Traffic | 8% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 076522 |