上海市老新闸桥为钢桁架桥，桥长64。
The old Xinzha bridge in Shanghai City is a steel truss bridge, 64.
该设计可供以后公路、城市钢桁架桥设计参考。
The design can be referred for the design of the highway and urban steel truss bridges.
在上世纪中叶我国修建的一些钢桁架桥，目前大多数桥梁仍在使用。
In last century 50s, our country have built many steel-truss Bridges and most of them have still been used.
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