US 20b;bridge ST over US 20;st. Anthony Ic
Good Condition42 years old8,300 vehicles/day
Location
| State | Idaho |
| County | Fremont |
| Location | In ST Anthony |
| Carries | US 20b;bridge ST |
| Crosses | US 20;st. Anthony Ic |
| Coordinates | 43.96242, -111.68206 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Single/Spread |
| Total Length | 217.8 ft (66.4 m) |
| Max Span | 107.9 ft (32.9 m) |
| Deck Width | 86.6 ft (26.4 m) |
| Deck Area | 1753.0 sq m |
| Main Spans | 2 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 8,300 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 522 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000012725 |