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Public works cost by item family

What public agencies paid for the most common kinds of work, grouped across agencies. Pick a family for the national price, the trend and every state.

• Hot mix asphalt · median $128.50 per ton · 35 states
• Guardrail · median $35.00 per linear foot · 33 states
• Traffic sign panels · median $25.00 per square foot · 27 states
• Storm inlet / catch basin · median $5,754 per each · 33 states
• Pavement milling · median $4.25 per square yard · 28 states
• Concrete curb and gutter · median $37.50 per linear foot · 27 states
• Silt fence · median $3.25 per linear foot · 24 states
• Structural concrete · median $1,353 per cubic yard · 25 states
• Concrete curb · median $47.30 per linear foot · 29 states
• Roadway excavation · median $22.16 per cubic yard · 26 states
• Reinforcing steel · median $2.10 per pound · 22 states
• Aggregate base · median $70.00 per cubic yard · 17 states
• Embankment · median $25.30 per cubic yard · 19 states
• Concrete pavement · median $110.00 per square yard · 18 states
• Structural steel · median $6.00 per pound · 15 states
• RCP culvert / storm pipe, 18 in · median $145.45 per linear foot · 14 states
• RCP culvert / storm pipe, 24 in · median $158.00 per linear foot · 15 states
• RCP culvert / storm pipe, 36 in · median $232.00 per linear foot · 12 states
• RCP culvert / storm pipe, 30 in · median $175.00 per linear foot · 12 states

Winning bids only, letting dates 2021 onward, nominal dollars. A family groups items that agencies print under different descriptions by unit and key words; thickness, class and spec details can differ inside it. Prices more than six times the family median are dropped as print or unit errors (8.0% of rows). A state appears with 30+ winning bids from 10+ bid tabulations.