Richardson Highway over Boulder Creek
Good Condition52 years old440 vehicles/day
Location
| State | Alaska |
| County | County 066 |
| Location | Mile Point 55.5 |
| Carries | Richardson Highway |
| Crosses | Boulder Creek |
| Coordinates | 61.33335, -145.31111 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 21.0 ft (6.4 m) |
| Max Span | 13.5 ft (4.1 m) |
| Deck Area | 71.7 sq m |
| Main Spans | 1 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 440 (2020) |
| Truck Traffic | 31% |
| 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 | 4117 |