Chap. VI.

FRANCE.

271

posed of three segmental arches 77 feet, 9 inches in span, and 6 feet 4 inches high. Thethickness of the piers is 9 feet G inches; the abutments were to have been 24 feet thick,strengthened by three buttresses 19 feet long, but they were carried up in a solid mass

AINT MAX8NCE, PLAN,

Fig. 280.

SECTION.

Fig. 281,

EATNT MAXENCE, ABUTMENTS .