Annular Corrugated Metal (CMP)

Metal Culvert Pipe in Colorado. 12″ to 96″.

Annular CMP, round or arch, galvanized, aluminized or polymer-coated, 16–8 gauge. Built to your size. Delivery available statewide.

16–8 Gauge
CDOT Spec
Built to Drawing
Statewide Delivery, All of Colorado
7 Years Supplying Colorado

Galvanized Pricing

Metal Culvert Prices.

16 gauge galvanized corrugated metal pipe, annular corrugation, priced per foot and per 20′ stick.

16 gauge galvanized, annular corrugation. Prices are before delivery.
Diameter Per foot 20′ stick
12″$22.50$450.00
15″$26.50$530.00
18″$32.25$645.00
24″$42.00$840.00
30″$64.80$1,295.91
36″$77.65$1,553.00
42″$90.49$1,809.72
48″$103.06$2,061.18

Prices are for 16 gauge galvanized, before delivery. Delivery is available anywhere in Colorado. Other gauges, aluminized, and polymer-coated pipe: contact us for exact pricing. Bigger than 48″? See large culvert pipe, 36″ to 96″. Prices subject to change.

Get Started

Tell Us What You Need.

Five quick things and we’ll call you back with a price. You don’t need the full spec in hand.

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Roughly what size do you need?
We need the location to quote freight

That’s everything we need to start. Other gauges and coatings price out against diameter and length, so we’ll confirm the exact number on a short call. Got a plan sheet or a spec section? Email it to sales@swensonsupply.com and the quote comes back faster and firmer. HDPE culvert page.

Quote request sent.

We'll get back to you fast, usually within the hour during business hours. Need it sooner? Call (719) 249-7997.

Specification

Quoted to CDOT Spec.

Gauge & Corrugation

16 gauge through 8 gauge, annular corrugation only — full rings rather than a spiral, so a coupling band seats on the corrugation right around the pipe. We don’t supply helical. Tell us the spec you’re building to and we’ll match it, odd gauges included.

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Sizes

12″ to 96″. Metal is fabricated against the order rather than pulled from stock, so the diameter and length come off your plan, not off a size list. Round or arch, small driveway barrels through multi-plate spans.

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Structures

Headwalls, wingwalls, weir inlets, risers, trash racks, wyes and bands, fabricated to your drawing rather than picked off a shelf.

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Pricing

16 gauge galvanized is priced per foot and per 20′ stick. Other gauges, aluminized and polymer-coated pipe are quoted per job, same day.

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Choosing

Which One for Your Job.

Both carry traffic and both last. The job usually picks for you: what the spec names, how big the span is, and what the water is carrying.

HDPE
Corrugated metal

In stock, 12″ to 60″

On the yard in 20' lengths with belled gasketed ends, so no couplers and usually no wait.

Built to order

Fabricated against your spec, so lead time is real. Plan it into the schedule.

Won’t rust

No corrosion, no galvanic issues, nothing to coat.

Coatings for hard water

Galvanized, aluminized and polymer-coated options where abrasion or chemistry is the problem.

Light enough to place easily

A 20' section handles with equipment already on most sites.

Spans HDPE can’t

Arch sections and multi-plate runs go well beyond 60″, in shapes HDPE isn’t made in.

Priced and published

Sizes 12″ to 60″ are priced on the HDPE culvert page. No call needed to compare.

Meets agency spec

When CDOT, a county, or an irrigation district calls for metal by name, this is the line.

Not sure which way to go? Send us the plan or call and we’ll price both, then tell you straight which one we’d put in.

Common Questions

How much does corrugated metal culvert pipe cost?

16 gauge galvanized runs $22.50 a foot at 12″ up to $103.06 at 48″, or $450.00 to $2,061.18 by the 20-foot stick. Those figures are before delivery. Every other gauge and coating is quoted, because the price moves with diameter, gauge, coating and length.

Is your pipe annular or helical?

Annular only. The corrugations are full rings around the pipe rather than a spiral, so a coupling band seats on the corrugation the whole way round. If your plans call for helical, that is not something we can fill — worth knowing before you spend time on a quote.

What gauge do I need?

We build 16 through 8 gauge. If the plans call out a gauge we match it; if they don't, we quote to CDOT spec. Odd gauges can be priced on request. Send the plan sheet and we'll read it off that.

Can you make arch pipe?

Yes, 12 to 96 inch. Metal is fabricated against your order rather than pulled from a size list, so the span and rise are whatever the crossing needs. Shallow cover is the usual reason to go arch instead of round.

What coatings are available?

Galvanized, aluminized and polymer-coated. Only galvanized is published above; the other two are quoted, because which one is right depends on the soil and water chemistry at your site.

Do you keep metal culvert in stock?

No. Every run is fabricated against the order, which is exactly why any size is possible and why lead time forms part of the quote. The HDPE line is the stocked one.

Metal or HDPE — which is cheaper?

It depends on diameter, and neither is the budget choice across the board. HDPE is far cheaper up to 24″, the two are about level at 30″, and metal comes in cheaper from 36″ up.

Do you deliver?

Delivery is available statewide and is quoted by location, so it is priced into the number we send back. Pickup is available too and takes that charge off the quote.

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