Cost by state
Construction unit costs in Iowa
Median awarded unit prices for the 41 most-bid items on Iowa public projects, from winning bids in agency bid tabulations.
| Item | Per | Median | Middle half | Winning bids |
|---|---|---|---|---|
| Flaggers | each | $575.00 | $575.00 – $575.00 | 825 |
| Safety Closure | each | $170.00 | $105.00 – $250.00 | 706 |
| Removal of Pavement | square yard | $15.00 | $10.00 – $22.50 | 648 |
| Removal of Perimeter and Slope or Ditch Check Sediment Control Device | linear foot | $0.3 | $0.2 – $0.6 | 547 |
| Engineering Fabric | square yard | $3.50 | $3.00 – $4.00 | 531 |
| Excavation, Class 20 | cubic yard | $26.00 | $14.00 – $45.00 | 525 |
| Revetment, Class E | ton | $60.25 | $50.00 – $72.00 | 515 |
| Topsoil, Strip, Salvage and Spread | cubic yard | $8.00 | $6.24 – $13.00 | 504 |
| Perimeter and Slope Sediment Control Device, 12 in. Dia. | linear foot | $3.00 | $2.65 – $4.00 | 495 |
| Excavation, Class 10, Roadway and Borrow | cubic yard | $8.75 | $6.00 – $14.00 | 487 |
| Pilot Cars | each | $865.00 | $865.00 – $865.00 | 440 |
| Granular Shoulders, Type B | ton | $33.62 | $26.25 – $42.81 | 430 |
| Silt Fence | linear foot | $2.00 | $1.55 – $2.50 | 426 |
| Grooves Cut for Pavement Markings | station | $35.00 | $25.00 – $85.00 | 417 |
| Reinforcing Steel (Epoxy Coated) | pound | $1.65 | $1.35 – $3.00 | 415 |
| Steel Beam Guardrail End Anchor, Bolted | each | $306.00 | $300.00 – $385.00 | 373 |
| Modified Subbase | cubic yard | $56.00 | $45.00 – $75.00 | 371 |
| Removal of Steel Beam Guardrail | linear foot | $10.00 | $7.00 – $15.00 | 369 |
| Mulching | acre | $750.00 | $525.00 – $1,200 | 367 |
| Portable Dynamic Message Sign (Pdms) | day | $100.00 | $75.00 – $136.50 | 358 |
| Clearing AND Grubbing | acre | $10,000 | $5,500 – $17,500 | 357 |
| Shoulder Construction, Earth | station | $400.00 | $275.00 – $600.00 | 349 |
| Steel Beam Guardrail | linear foot | $30.00 | $25.00 – $35.00 | 349 |
| Seeding and Fertilizing (Rural) | acre | $1,015 | $800.00 – $1,500 | 335 |
| Pavement Markings Removed | station | $80.00 | $45.00 – $128.75 | 330 |
| Embankment in Place | cubic yard | $22.00 | $14.95 – $30.00 | 309 |
| Steel Beam Guardrail Barrier Transition Section, BA-201 | each | $3,200 | $2,850 – $3,500 | 302 |
| Steel Beam Guardrail Tangent End Terminal, BA-205 | each | $3,500 | $3,108 – $4,000 | 301 |
| Excavation, Class 13, Waste | cubic yard | $25.00 | $16.00 – $40.00 | 301 |
| Reinforcing Steel | pound | $1.65 | $1.30 – $2.40 | 289 |
| Asphalt Binder, PG 58-28S, Standard Traffic | ton | $525.00 | $491.00 – $556.00 | 287 |
| Structural Concrete, Bridge | cubic yard | $950.00 | $792.25 – $1,160 | 285 |
| Excavation, Class 10, Channel | cubic yard | $9.00 | $6.25 – $14.00 | 281 |
| Stabilizing Crop - Seeding and Fertilizing | acre | $300.00 | $245.00 – $500.00 | 281 |
| Patches, Full-depth Finish, by Count | each | $194.50 | $135.00 – $353.70 | 280 |
| Patches, Full-depth Finish, by Area | square yard | $215.00 | $158.00 – $277.25 | 278 |
| Perimeter and Slope Sediment Control Device, 20 in. Dia. | linear foot | $4.50 | $3.75 – $5.25 | 269 |
| Structural Steel | pound | $5.50 | $4.20 – $10.25 | 188 |
| Detectable Warnings | square foot | $50.00 | $45.00 – $60.00 | 184 |
| Mowing | acre | $65.00 | $40.00 – $138.30 | 40 |
| Removal of Sign | each | $125.00 | $92.50 – $187.50 | 27 |
Prices by county in Iowa
- Clinton County: 2 items
- Dubuque County: 1 items
- Linn County: 6 items
- Polk County: 32 items
- Pottawattamie County: 1 items
- Scott County: 4 items
- Sioux County: 1 items
- Statewide County: 11 items
Agencies in Iowa
- Iowa DOT: 59,566 winning prices