Minnesota Department of Transportation (MnDOT) · 2025 Standard Specifications for Construction
Section 3402 — Square Tubular Sign Posts
Minnesota 2025 Standard Specifications for Construction, Section 3402. Full text, cross-references and related pay items on BuildSpec.
3402 SQUARE TUBULAR SIGN POSTS 3402.1 SCOPE Provide square steel tubular posts for signs. 3402.2 REQUIREMENTS A Material Use steel posts meeting standard specification for hot rolled carbon sheet steel, structural quality, ASTM A1011, Standard Specification for Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, and Ultra-High Strength, Grade 50. The average minimum yield strength after cold forming shall be a minimum of 50,000 psi. B Length Use posts with lengths within 1/4 inch of the length shown on the Plans…
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