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Construction Images
George S. Morison built a number of early bridges on the Missouri River and with each one his engineering techniques became more developed. Morison was most noted for perfecting methods for handling the pneumatic foundation. Few photos from the construction of Morison’s bridges exist. Below is a selection of photos from a several Morison Bridges that help illustrate how the Blair Bridge was constructed.
Blair bridge handling of caisson for pier III
Railroad Bridge — Missouri River Blair, Nebraska – Photocopy from George S. Morison’s The Blair Crossing Bridge 1886. Library of Congress HAER, NEB,89-BLAIR.V,1-5/Internet Scan Catalog No. BGR-0005
Blair bridge longitudinal section of caisson
Railroad Bridge — Missouri River Blair, Nebraska – Photocopy from George S. Morison’s The Blair Crossing Bridge 1886. Library of Congress HAER, NEB,89-BLAIR.V,1-4 Internet Scan Catalog No. BGR-0004
The pile driver
Pile Driver building temporary rail Trestle for the Rulo Bridge – June, 1887
Inside caisson
Inside Caisson Pier IV of the Sioux City Bridge – 60 feet below water line. 25 lbs air pressure – September, 1888
Inside the Bismarck Bridge
Inside Caisson Pier II of the Bismarck Bridge – February, 1883
Rulo bridge construction
Construction of Pier IV, showing iron cutting edge – July, 1886
Rulo bridge construction
Construction of Pier II Rulo Bridge – February, 1887
Bertram in the background
Construction of pier IV with steamer John Bertram in background of the Rulo Bridge – August, 1886
Rulo bridge construction
Steamer John Bertram with pneumatic equipment barge on pier III – Rulo Bridge – March 1887
Rulo bridge construction
Erection of through span on the Rulo bridge – July 1887
A lock
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