1881+1913,1963 UP/C&NW/Chicago, St. Paul, Minneapolis and Omaha Bridge over St. Croix River at Hudson, WI

1881: (Archived Bridge Hunter)

1913: (Archived Bridge Hunter; Historic Bridges; Satellite)

Mark Boettcher, Sep 2020

Mark Boettcher via HistoricBridges
In the late 1800s, much of the original bridge was filled in so that what is left is 568' (173m) long with a main span of 314' (96m).

"This bridge is strengthened and electrified in 1963." [BridgeHunter_1913]