Tons of Asphalt Millings per Mile of 22 ft Road

Tons of asphalt millings per mile of 22 foot road: about 1,864 tons at 4 inches deep. The strip is 22 ft × 5,280 ft = 116,160 square feet. On a job this long, half an inch of extra depth adds a lot of tons.

Volume and tonnage calculator →

Tons by depth

Depth	Tons	Truckloads (~14 t)
3 in	1,398	100
4 in	1,864	134
6 in	2,796	200
8 in	3,729	267

The math

Area: 22 × 5,280 = 116,160 sq ft.
Volume at 4 in: 116,160 × 0.333 = 38,720 cu ft (1,434 cubic yards).
× 1.3 tons per yard = 1,864 tons.

Road section basics

A 22-foot width gives two full lanes. Asphalt millings are ground-up old pavement. When compacted and warmed by sun they bind into a fairly firm surface, which is why they are popular for rural drives and lots. Crown the surface so water sheds to ditches on both sides.

Practical notes

Phasing. Large tonnages are delivered over days; schedule spreading and compaction to keep up with trucks.
Waste. Allow 5 to 10 percent.
Hauling. Distance from the quarry or plant often costs as much as the material on long jobs; see asphalt hauling cost per ton.

Check other sizes with the volume and tonnage calculator.

Good and poor uses for asphalt millings

Good uses:

Rural driveways and farm lanes
Parking areas where a dust-free surface is wanted
Low-cost base under a future paved surface

Less suited to:

Areas near wells or streams where local rules limit them
Decorative or barefoot areas
Jobs needing a uniform, clean look

Quick reference numbers

Per inch over 100 sq ft: about 0.40 tons of asphalt millings (0.31 cubic yards).
Per inch over 1,000 sq ft: about 4.0 tons.
Another size for comparison: a 20x25 area at 4 inches takes about 8.0 tons.
Weight used here: about 1.3 tons per cubic yard.

Where estimates go wrong

Forgetting that compaction shrinks loose material. A loose 4-inch spread of a dense-graded stone may finish closer to 3 inches after rolling.
Ignoring the base. A thin surface layer over soft soil fails early no matter how much material is on top.
Ordering exactly the math. Uneven ground and spillage nearly always need a little more than the flat calculation.
Mixing up cubic yards and tons. Yards are volume, tons are weight; convert with the product’s weight per yard.

Questions people ask

How many tons of asphalt millings per mile of 22 ft road?

About 1,864 tons at 4 inches.

How many truckloads is that?

About 134 loads at roughly 14 tons each.

How many square feet is mile of 22 ft road?

116,160 square feet.

Should I add extra for waste?

Yes, 5 to 10 percent is common.

Does this include the shoulders?

No. Measure shoulders and pullouts separately and add them.

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