Parks Highway MP 99-163 Drainage & Culvert Improvements
State/Federal Project No: CFHWY00592/0A41042
What's New
2023 Culvert AOP Grant Applications
Project Overview
The Alaska Department of Transportation and Public Facilities, in cooperation with the Federal Highway Administration (FHWA), is developing a project to improve culverts and drainage infrastructure within the Parks Highway corridor between Milepost 99-163. Throughout the project corridor, various culverts and drainage infrastructure are exhibiting signs of deterioration including pipe corrosion, drainage channel blockage, inlet and outlet scouring, and other deficiencies. Approximately 200 culverts in the project corridor are anticipated to be evaluated and potentially improved with this project; many were installed more than 50 years ago when the Parks Highway was initially constructed. The Department is focusing on improving the culverts in the most critical condition first.
Project Phasing
The project is being developed in phases for design and construction.
Phase 1: Replace and/or improve 10 culverts that are in critical condition and pose the most risk to the highway if they fail. The culverts addressed in Phase 1 are shown in red on the adjacent figure. Design is currently underway and is expected to be completed in early 2024.
Phase 2: Replace the existing 144-inch culvert at Railroad Creek (MP 128.5) with a bridge; it is shown in yellow on the adjacent figure. Design is currently underway and is expected to be completed in summer 2024.
Phase 3: Replace 11 failing culverts, 3 of which may require bridge crossings.
Future Phases: In the summer of 2023, the project team ranked and prioritized roughly 70 out of the remaining culverts in the project corridor. Culverts addressed in "Future Phases" will be prioritized, as they are currently in poor condition.
PROPOSED WORK MAY INCLUDE
- Drainage improvements
- Culvert maintenance, replacement, and new installations
- Ditch grading
- Digouts and associated resurfacing
- Guardrail
- Signage
- Utility relocations
- Clearing and grubbing
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Map of Project Area
