Cost to replace 100 feet of main sewer line using trenchless pipe bursting

Replacing 100 feet of main sewer line using trenchless pipe bursting typically costs between $6,000 and $16,000, averaging $80 to $160 per linear foot depending on line depth, pipe diameter, and insertion pit excavation requirements.

Aging clay, cast iron, or Orangeburg pipes frequently suffer from root intrusion and structural collapse, forcing property owners to balance pipe renewal against surface repair expenses. Traditional open-trench excavation across 100 feet routinely adds $4,000 to $10,000 in secondary concrete, driveway, and landscaping restoration.

If you only do one thing: Complete a full closed-circuit television (CCTV) sewer camera inspection to confirm the host pipe maintains a minimum 1/4-inch per foot drop before pulling the replacement line.

• Access pit excavation: Contractors dig an insertion pit and a receiving pit measuring 4x4 feet to 6x8 feet, costing $1,500 to $3,500 depending on whether depths exceed 6 feet or require breaking concrete.
• Continuous HDPE pipe materials: Crews pull continuous high-density polyethylene (HDPE) pipe rated DR-17 or DR-11 per ASTM F714 standards, which eliminates joint gaps and provides a 50-year to 100-year design life.
• Pipe diameter sizing: Technicians replace 4-inch sewer lines size-for-size or upsize to 6-inch lines using a 30- to 50-ton hydraulic expander head, adding a 15% to 25% material and equipment surcharge.
• Couplings and cleanout installation: Connecting the HDPE line to existing household plumbing and the city main using ASTM C1173 flexible mechanical couplings, alongside a two-way exterior cleanout, costs $800 to $1,800.
• Permits and municipal inspections: Municipal utility permits, street cut authorizations, and local plumbing inspections add $300 to $2,000 to the total 100-foot project cost depending on local jurisdiction codes.

• Watch out for: Host pipe sags or bellies exceeding 1 inch of standing water, because the bursting head tracks the existing grade and locks existing drainage dips into the new line.
• Watch out for: Parallel utility lines within 24 to 36 inches, where outward ground displacement from the expander head can rupture nearby gas, water, or electrical conduits.
• Watch out for: Concrete-encased repairs or ductile iron sleeves exceeding 0.5-inch wall thickness, which can halt bursting heads and trigger emergency open-trench excavations.

Schedule an on-site video pipe assessment to determine your lateral depth, host pipe material, and utility layout. Contact ARS/Rescue Rooter at 866-399-2885 to arrange a sewer camera evaluation and trenchless replacement estimate.