I have a client who has used a specific manufacturer of arched corrugated metal culverts, but they are looking to get pricing from some other manufacturers. Does anyone have suggestions as to who I could recommend? We're the structural firm that does the footing designs for this client's culverts. The culverts are generally supporting road above, with a stream crossing below, and span anywhere from 20' to 40'+. The civil engineers we've talked to have said that the manufacturer they've been using has been buying up a lot of the smaller manufacturers in the last decade or two. Hopefully there are still some reputable alternatives out there??
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