Eew! It looks like they used all their budget on guns and realised they couldn't afford to make her long enough...
HMS Nelson
Ordered:    1922
Builder:    Armstrong-Whitworth
Laid down:    28 December 1922
Launched:    3 September 1925
Commissioned:    10 September 1930
Dimensions:  Length (pp)   660 feet,  
(oa)  710 feet.   
Beam - 106 feet.    
Draught (max) - 31.5 feet
Main Armament:    9 × 16 in (406 mm) guns
USS S. Dakota
Ordered:    15 December 1938
Laid down:    5 July 1939
Launched:    7 June 1941
Commissioned:    20 March 1942
Length:    680 ft (210 m)
Beam:    108.2 ft (33.0 m)
Draft:    36.3 ft (11.1 m)
Main Armament:    9 × 16 in (406 mm) guns