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Infrastructure

Infrastructure

Drilled Shafts vs. Driven Piles: How Deep Foundations Get Built and What They Cost Per Foot

What drilled shaft cost per foot really runs in 2026 versus driven piles, CFA piles, and micropiles — the build sequence, testing, rig rates, and who does the work.

Ray Kowalski · 2026-10-12

Key Metrics

IIJA disbursed

$284B

↑ of $550BCumulative

Infrastructure Investment and Jobs Act cumulative disbursements. $550B authorized over 5 years.

Deficient bridges

42,966

↓ -4.2%2025

Bridges rated structurally deficient by FHWA. IIJA targeting 15,000 bridge repairs.

Highway spending

$58.3B

↑ +12%FY2026

Water infra gap

$434B

↑ over 20 yearsEstimate

Highway Spending Trend ($B, annual)

All Infrastructure coverage54 articles