Richardson Highway over Lowe River Upr Keystone
Good Condition46 years old810 vehicles/day
Location
| State | Alaska |
| County | County 063 |
| Location | Mile Point 19.4 |
| Carries | Richardson Highway |
| Crosses | Lowe River Upr Keystone |
| Coordinates | 61.09056, -145.88944 |
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 |
| Design | Tee Beam |
| Total Length | 303.1 ft (92.4 m) |
| Max Span | 102.0 ft (31.1 m) |
| Deck Width | 37.1 ft (11.3 m) |
| Deck Area | 1044.1 sq m |
| Main Spans | 3 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 810 (2020) |
| Truck Traffic | 24% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 1384 |