It concluded the best of several alternatives it identified was to build a new bridge 0.5 miles (0.80 km) downriver from the old one, and to remove the old bridge.
从多种替代方案中遴选出了最佳方案，确定为在旧桥下游0.8公里（0.5英里）处新建一座大桥，并拆除旧桥。