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Cass Avenue Bridge



Public Domain: Published Prior to 1923

View this photo at bay-journal.com

BH Photo #334109



Lost Pratt through truss bridge over Saginaw River on Cass Avenue
Bay City, Bay County, Michigan
Built 1890; Abandoned in the 1950s; Removed ?
- Milwaukee Bridge & Iron Works of Milwaukee, Wisconsin
Pratt through truss
Approximate latitude, longitude
+43.56589, -83.90524   (decimal degrees)
43°33'57" N, 83°54'19" W   (degrees°minutes'seconds")
Approximate UTM coordinates
17/265378/4827759 (zone/easting/northing)
Quadrangle map:
Bay City
Inventory number
BH 68778 (Bridgehunter.com ID)


19th Century (7,640)
Bay City, Michigan (12)
Bay County, Michigan (19)
Built 1890 (276)
Built during 1890s (2,997)
Lost (25,087)
Michigan (1,147)
Milwaukee Bridge & Iron Works (36)
Movable (2,997)
Navigable waterway (2,154)
Owned by city (5,505)
Pratt through truss (5,436)
Pratt truss (9,361)
Swing (1,471)
Through truss (15,221)
Truss (33,029)

Update Log 

  • March 2, 2017: New photo from Douglas Butler
  • August 3, 2015: Added by Luke



Cass Avenue Bridge
Posted November 22, 2018, by Mike Kerkau (mjkerkau [at] gmail [dot] com)

On a more positive note, the west channel of the formerly-linked Cass Avenue-Hotchkiss Road stretch is being looked at for re-purposing.

Plans are currently to construct a pedestrian bridge somewhere in the west channel to link Bay County's Riverwalk/Rail Trail (which includes a loop throughout the city and a trail that goes all the way out to Bay City State Recreation Area) with a recently-paved Bay-Zilwaukee trail that currently starts at the east end of Hotchkiss on the west side of the river.


These, in turn, are intended to be a part of a network of trails that links Bay, Saginaw, and Midland Counties.

(On the east side of the river, the west end of Cass Avenue now serves as a boat launch, which had a major overhaul done sometime in the past 10-15 years.)

Cass Avenue Bridge
Posted November 22, 2018, by Mike Kerkau (mjkerkau [at] gmail [dot] com)

"The city decided to close and demolish the bridge as it was badly in need of major repairs."

Deja vu! Finding funding to repair the city's main (bascule) bridges has become something of an albatross hanging over the city as of late. See also: Lafayette Street Bridge, East Channel.

As it stands, either Liberty Bridge or Independence are facing an option of tearing it down and not replacing it. (Highly unlikely that it happens to both, not unless cost became an even bigger catastrophe.) Neither is necessarily a guarantee as yet; each is individually more at the "it's on the table as a real option" stage.