---
kind: "section"
citation: "23 C.F.R. § 650.809"
title: "23"
number: "650.809"
heading: "Movable span bridges."
url: "https://uscodex.org/cfr/23/650.809"
---

# §650.809. Movable span bridges.


A fixed bridge shall be selected wherever practicable. If there are social, economic, environmental or engineering reasons which favor the selection of a movable bridge, a cost benefit analysis to support the need for the movable bridge shall he prepared as a part of the preliminary plans.


## Notes

### Source

Source: 52 FR 28139, July 28, 1987, unless otherwise noted.

### Authority

Authority: 23 U.S.C. 119, 144, and 315.