The project consists of constructing a multi‑use underpass for the High Line Canal Trail at the intersection of Yale Avenue and Holly Street in Denver. The scope includes installing a concrete box culvert with retaining walls, upgrading trail and maintenance paths, improving storm‑drain infrastructure, relocating utilities, providing temporary detours, managing traffic, protecting and re‑planting trees, and conducting public outreach. The contract was awarded to Jalisco International, Inc. for a lump‑sum amount of approximately $9.26 million, with a projected construction period of 250 working days.
• Heavy civil works: excavation, shoring, backfill, and concrete culvert construction.
• Site‑specific utilities: storm‑drain upgrades, water service connections, and utility relocations.
• Environmental & landscaping: tree protection/replacement, erosion control, and seeding.
• Traffic management: temporary detours, signage, and public information services.