SANDAG Builds New Rail Bridge in San Diego County

Fares A • November 3, 2025

San Diego's North Coast Corridor keeps evolving, and one standout project is the new double-tracked rail bridge over Batiquitos Lagoon. Led by the San Diego Association of Governments (SANDAG) in partnership with Caltrans, this $166 million initiative replaces an aging 1940s-era single-track structure with a modern 336-foot span. Completion is targeted for 2028, promising smoother rail operations and environmental benefits. At Cali Dream Construction, we're all about spotlighting infrastructure that shapes our region—let's break down the details.

Project Overview and Key Players

The bridge forms part of a 0.6-mile rail expansion along the busy Interstate 5 corridor in northern San Diego County. Contractors Flatiron, Skanska, and Stacy and Witbeck handle the build, with SANDAG senior engineer Stephen Fordham overseeing operations.

  • Length: 336 feet
  • Tracks: Double-tracked for simultaneous northbound and southbound train movement
  • Cost: $166 million
  • Timeline: Approximately one-third complete as of late 2025; full completion by 2028

This upgrade addresses the limitations of the existing 308-foot single-track bridge, where trains often wait for oncoming traffic to clear.

Why Replace the Old Bridge?

Built in the 1940s, the current structure relies on 22 spans supported by timber piers and wooden piles—think oversized telephone poles driven into the lagoon bed. These have served for decades but can't handle modern demands.

The new design enables freight and passenger trains (including Amtrak and COASTER services) to pass without delays. It ties into broader goals of reducing greenhouse gas emissions by shifting more vehicles—nearly 400,000 shipped annually to the Port of San Diego—from trucks to rail.

Construction Techniques and Materials

Workers started by erecting a temporary trestle across the lagoon, just feet from I-5's constant hum. This structure supports cranes and equipment while keeping the existing rail line fully operational.

Foundation and Support System

  • Piles: 42 cast-in-steel-shell (CISS) piles, each 3 feet in diameter with 1-inch-thick rolled steel
  • Depth: Driven 120-130 feet into the lagoon bottom using pile-driving rigs and vibratory hammers
  • Upper Structure: Filled with epoxy-coated rebar and concrete, topped by pier caps

The bridge features five sets of six CISS piles, plus two new abutments, creating six spans total.

Girders and Deck

  • Girders: 24 precast concrete units, each 56 feet long, 7 feet wide, and 4 feet deep
  • Placement: Lifted by cranes from the temporary trestle
  • Finishing: Decking, railroad ballast rock, ties, and rails

Additional supports include H-beams, I-beams, and soldier piles, with the deck sitting 10 feet above the lagoon surface.

Material Quantities

  • Steel: 365,000 pounds
  • Concrete: 2,000 cubic yards
  • Rock: 50,000 cubic yards (for slope protection)
  • Soil Excavation: 50,000 cubic yards

Equipment lineup includes long-reach excavators, off-highway dump trucks, and heavy cranes—standard for bridge work but impressive in scale.

Environmental Considerations and Protections

Batiquitos Lagoon spans 561 acres and serves as a critical habitat, including nesting sites for the California least tern. The project operates under permits from the U.S. and California Departments of Fish and Wildlife.

  • Breeding Season Restrictions: Major activities paused April through September to avoid disturbing least terns
  • Habitat Restoration: One eroded nesting site is being rehabilitated
  • Wave Protection: 50,000 cubic yards of large boulders placed around abutments; some reused from the old bridge
  • Beach Replenishment: Excavated lagoon sand redirected to local beaches

The lagoon remains off-limits to boats and public access, preserving it as a bird estuary and game sanctuary.

Broader Impacts on Transportation and Economy

This bridge is a piece of the $6 billion North Coast Corridor (NCC) program, which includes over $250 million for coastal habitat enhancements. Partners encompass the North County Transit District (NCTD), cities of Encinitas and Carlsbad, Caltrans, California Department of Fish & Wildlife, California State Parks, and the California Coastal Commission.

Funding comes from TransNet and the Solutions for Congested Corridors Program via the California Transportation Commission.

It connects to projects like the San Elijo Lagoon Bridge, aiming to boost highway, rail, and bike options along I-5—potentially drawing more riders to public transit.

Current Progress and Visuals

As of October 2025, crews are positioning rebar, paving trackside areas, and advancing pile work. SANDAG photos capture the temporary trestle in action, cranes at the ready, and the double-track layout taking shape. (Credit: SANDAG)

For real-time updates, check SANDAG's project page at sandag.org.

At Cali Dream Construction, we track these developments because reliable infrastructure underpins every build in San Diego County. Whether you're planning a home remodel or commercial project, projects like this keep our region moving—literally. Stay tuned for more on local construction milestones.


By Fares A November 15, 2025
Ramona, a growing unincorporated community in San Diego County's backcountry, is seeing new life breathed into one of its long-vacant landmarks. The former Kmart at 1855 Main Street—empty since 2020—is undergoing a major transformation into Ramona Station , a multi-tenant retail center. Construction officially kicked off in late 2025, marking the end of years of planning and anticipation for this key commercial hub. At Cali Dream Construction, we spotlight projects like this that repurpose existing structures and boost local economies. Here's the full breakdown on what's happening, who's involved, and what shoppers can expect. Project Location and History The site sits prominently on Main Street (State Route 67/78) in central Ramona, a rural-yet-accessible area about 35 miles northeast of downtown San Diego. Address : 1855 Main Street, Ramona, CA Original Building : Approximately 100,000 square feet, built as a Kmart big-box store Closure : Kmart shuttered in 2020 amid company-wide changes Sale : Property transferred to Ramona Station LLC in 2022 for $7.3 million The vacancy had been a topic of community discussion for years, with earlier proposals surfacing as far back as 2023. Key Players and Development Team The redevelopment is a collaborative effort focused on adaptive reuse. Ramona Station LLC and Tourmaline Capital (handling project management and construction oversight) are working with John Ardigo, Director of Construction at Tourmaline Capital. A tlantis Group Land Use Consultants (earlier phases) has Reviewed and recommended by the Ramona Community Planning Group, Ramona Design Review Board, and final decisions by San Diego County Plans received approvals from local boards in 2023, paving the way for permits and financing. Work started on the facade in November 2025, with crews focusing on exterior updates first. Confirmed Tenants Bringing Fresh Retail Options Ramona residents have been vocal about needing more shopping variety, and these anchors deliver: Marshalls : Approximately 23,002 square feet – off-price apparel and home goods Grocery Outlet Bargain Market : Around 18,000 square feet – discount groceries PetSmart : About 9,470 square feet – pet supplies and services Five Below : Roughly 17,332 square feet – affordable trendy items for teens and families These brands were identified as frontrunners early in planning and are now locked in for the revamp. Timeline and Progress Updates After delays common in post-pandemic commercial projects, momentum has picked up. Planning Milestones : Initial presentations in 2023; approvals from Design Review Board (October 2023) and Community Planning Group (November 2023) Construction Start : Late 2025 (facade work underway as of November 2025) Target Opening : End of summer 2026 for shops to welcome customers John Ardigo noted in recent statements: “We’re excited to work with the community of Ramona to enhance the local shopping opportunities here.” For the latest visuals, check renderings in the San Diego Union-Tribune coverage at sandiegouniontribune.com/2025/11/10/construction-is-underway-on-long-awaited-ramona-station-project-at-former-kmart-site . Community Impact and Broader Context for San Diego Ramona Station addresses a gap in everyday retail for the area's 20,000+ residents, reducing drives to Poway or Escondido for basics. It joins other 2025-2026 projects in Ramona, like a new Starbucks and Children's Paradise Day Care, signaling steady growth in this wine-country community. The project aligns with San Diego County's focus on revitalizing unincorporated areas through private investment—no major public funding noted here. At Cali Dream Construction, repurposing big-box sites like this one is a win for sustainability and local vibrancy—fewer new foundations mean faster timelines and less disruption. Whether you're a Ramona homeowner eyeing commercial upgrades or just tracking East County progress, this one's worth watching. For insights on retail remodels or adaptive reuse in San Diego County, visit our services page . More backcountry build updates coming soon—because in Ramona, even old Kmarts get a stylish second act.
By Max November 14, 2025
Interstate 5 serves as San Diego County's lifeline, carrying hundreds of thousands of vehicles daily from the border to North County. Right now, a major preservation initiative—the I-5 Asset Management Project—is underway to extend the freeway's lifespan without full replacements. With weekend closures making headlines in November 2025, this roughly $114 million effort (often rounded to $100M+ in coverage) focuses on pavement rehabilitation across a vast southern segment. At Cali Dream Construction, we track these roadway upgrades because smoother infrastructure supports everything from daily commutes to heavy-haul projects. Here's the objective breakdown, including agencies, scope, funding, and timelines. Project Overview and Goals The I-5 Asset Management Project targets long-term maintenance reduction on one of California's busiest corridors. Primary Focus : Rehabilitate pavement on main roadways, shoulders, and ramps to improve ride quality and extend service life. Coverage Area : Spans approximately 27 miles through the cities of San Diego, Chula Vista, National City, and up to 0.3 miles south of Via De La Valle (near Del Mar/Solana Beach border). Starts at Camino De La Plaza near the international border. Key Benefits : Reduces future repair needs, enhances safety through better traffic flow, and incorporates updated traffic management systems. This "fix it first" approach prioritizes preserving existing assets over expansion, aligning with statewide strategies for sustainable infrastructure. Total Cost and Funding Sources The project carries a price tag of $113,745,800 (commonly reported as $114 million or rounded to $100M+). Federal Contribution : $102,618,300 from the State Highway Operation Protection Program (SHOPP). State Contribution : $11,127,500 from SB1 (Road Repair and Accountability Act) funds. It's one piece of a broader $623 million Caltrans investment across I-5, I-805, and SR-78 in San Diego County, plus part of $1.6 billion in ongoing countywide work. Lead Agency and Key Players Lead Agency : California Department of Transportation (Caltrans) District 11. No Direct SANDAG Involvement Noted : Unlike North Coast Corridor projects, this falls under Caltrans' direct oversight for asset management. Caltrans handles planning, execution, and public notifications, including detour coordination during closures. Construction Timeline and Progress Work kicked off earlier in 2025, with phased implementation to minimize disruptions—though full weekend closures are required for major paving segments. Start Date : Spring/Summer 2025 (part of the $623M package announced in May 2025). Ongoing Activities : Pavement grinding, repaving, ramp upgrades, and shoulder improvements. Expected Completion : Phased through 2027, with major segments wrapping by late 2026 or early 2027 (tied to the larger $623M initiative). As of November 14, 2025, the project is actively advancing, with recent and upcoming full closures highlighting progress. Recent and Upcoming Closures: What Drivers Need to Know To accelerate work, Caltrans schedules 55-hour weekend shutdowns—closing all lanes in one direction while keeping the opposite open when possible. Notable 2025 closures include: September 5-8 : Southbound I-5 from SR-52 to Mission Bay Drive. September 26-29 : Northbound I-5 from I-8 to Mission Bay Drive. October (various weekends) : Northbound along Mission Bay area. November 7-10 : Southbound from SR-52 to Mission Bay Drive (9 p.m. Friday to 5 a.m. Monday). These allow crews to complete large paving sections safely. Detours typically route traffic via I-805 or local arterials. For real-time alerts, follow @SDCaltrans on X or visit the Caltrans QuickMap at quickmap.dot.ca.gov . Broader Context in San Diego's Infrastructure Pipeline This project complements other I-5 efforts, like the North Coast Corridor (SANDAG/Caltrans collaboration wrapping major phases by end of 2025) and rail improvements. It addresses decades of wear on sections built in the 1960s-1970s, ensuring the freeway handles growing demands from commuters, freight, and tourism. For full details and updates, check the official Caltrans page at dot.ca.gov/caltrans-near-me/district-11 or the project-specific alerts. At Cali Dream Construction, reliable roads like a refreshed I-5 make our San Diego County jobs—from residential remodels to commercial builds—that much smoother. If weekend detours have you rethinking routes (or driveways), explore our general contracting services for practical solutions. More on local mega-projects soon—because in San Diego, progress never hits the brakes for long.
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