Answer: bridge

AnswerCrossword Clue
BRIDGE

River spanner

BRIDGE

Kind of head or table

BRIDGE

Draw or contract follower

BRIDGE
Ryan's "A ... Too Far"
BRIDGE
George Washington, e.g.
BRIDGEKwai structure
BRIDGEBit of dental work
BRIDGEKind of loan
BRIDGEIt goes side-to-side
BRIDGEGame with a dummy
BRIDGECantilever, for example.
BRIDGELondon or Brooklyn, e.g.
BRIDGEViaduct
BRIDGEBlackwood's game
BRIDGEOne kind of club
BRIDGEDrivers use it to get to the bank?
BRIDGEConnection from one bank to another
BRIDGESubject of a New York Times column until 2015
BRIDGEWhat you might come across at a river?
BRIDGEGame for dummies?
BRIDGETheme of the puzzle
BRIDGEWay over the Charles
BRIDGEGoren's game
BRIDGEGeorge Washington, for one
BRIDGERiver crosser
BRIDGETroll's charge
BRIDGEIt takes a toll, often
BRIDGEApt word to substitute for each of four black squares to make sense of the across answers on either side of them
BRIDGESong section
BRIDGEConnection
BRIDGEFour-hand amusement
BRIDGECard game derived from whist
BRIDGEMilitary pontoon structure.
BRIDGEStructural unit built by Sea Bees.
BRIDGECaptain's command post.
BRIDGEThe skipper's platform.
BRIDGEGame of Levantine or Russian origin.
BRIDGEGeorge Washington ....
BRIDGEConnecting link.
BRIDGEPopular game.