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A "box-girder" bridge near Milford Haven, crossing the Cleddau River on seven spans, 820 metres long.
1965 Permission was granted for the bridge
1967 Work started; Freeman Fox and Partners were the structural design engineers.
1969 Construction started
1970 One of the spans collapsed during construction. 4 workmen were killed and 5 injured.
In its 1973 report, a subsequent inquiry outlined 27 recommendations, establishing new standards for the design and construction of box-girder bridges.
1972 Work restarted when the first of the new box units to replace those damaged was erected.
1975 The bridge opened