BOSTON
Road bridge is on:	Boylston St.
What bridge crosses:	Combination I-90 & RR
Date built:	1965
Last major rebuild:	None
Deck rating:	Excellent	[ What this means ]
Superstructure rating:	Good	[ What this means ]
Substructure rating:	Good	[ What this means ]
Overall structure evaluation:	7	[ What this means ]
AASHTO bridge sufficiency rating:	90	[ What this means ]
Structurally deficient?	No	[ What this means ]
Functionally obsolete?	No	[ What this means ]
[ Close ]
Note: Ratings in red indicate particularly serious problems. Source: Massachusetts Highway Dept., Federal Highway Administration.