Culvert rehabilitation in three easy steps

Fifty-four-inch tunnel liner plates were used to stabilize the culvert structurally.

The corrugated metal was lined with four-part steel rings, each 18 inches wide, which were then sprayed with high-strength cementitious grout for a smooth, watertight finish.

The 66-inch culvert collapsed even further between quote and award. There were completely corroded inverts and sidewalls curling up into the interior.

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