乌龙江桥位于福建省福州市乌龙江下游峡口处，是中国较早建成的一座大跨度预应力混凝土T型刚构桥。总长552m，分跨为58+3×144+58（m)，各刚构间采用33m简支挂梁连接。桥宽12m，采用8m宽双箱断面，两侧挑出悬臂板各1.25m。T构与桥台间采用6m长搭板连接。中部两个T构采用悬拼，两端T构采用悬浇施工。下部结构采用钢筋混凝土空心桥墩，最大水深达26m，潮差5m，并有正逆两个流向，选用钢板桩

围堰管柱基础。于1971年9月竣工。

      福建省513工程指挥部设计、施工。

Location: Fuzhou, Fujian Prov.
Main span: 144m
·  One of the earliest large span P.C.T-frame bridge built China
·  Superstructure: Twin boxes cross-section. Erected both by cantilever assembling and casting
·  Substructure: Steel sheet piling cofferdam and pipe column foundation
Completed in Sept. 1971
Designed and constructed by 513 Engineering Headquaters of Fujian Prov