Section 105.164. Bridge abutments

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(a) Bridge abutments shall be set well into the banks in such manner as to assure minimal increase in flood elevations.
(b) Bridge abutments shall be aligned with the flow of the stream. The Department may require, in its discretion, the construction of wing walls at the upstream side of the bridge to assist in directing flood flows through the bridge opening.

The provisions of this § 105.164 adopted September 26, 1980, effective September 27, 1980, 10 Pa.B. 3843.

                    
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