Charles Frederick Loweth

of Cleveland, Ohio

Was the chief engineer of the Chicago, Milwaukee, St. Paul & Pacific Railroad (AKA the Milwaukee Road.)

Bell Street Bridge (Old) (Dawson County, Montana)
Built 1900
Lost Pennsylvania through truss bridge over Yellowstone River on Bell Street
Replaced by a new bridge

BNSF - Brushy Creek Bridge (Carroll County, Iowa)
MILW Chief Engineer
Bridge over Brushy Creek on Burlington Northern and Santa Fe Railway
Open to traffic

BNSF - Manning Viaduct (Carroll County, Iowa)
MILW Chief Engineer, 1913
Pratt through truss bridge over Center Street, West Nishnabota River & removed CGW
Open to traffic

BNSF - May Street Overpass (Carroll County, Iowa)
MILW Chief Engineer
Slab bridge over May Street on BNSF Railway
Open to railroad traffic, road abandoned

BNSF - Middle Raccoon River Bridge (Carroll County, Iowa)
MILW Chief Engineer, 1913
Deck plate girder bridge over Middle Raccoon River/Trail on Railroad
Open to traffic

Boom Island Pedestrian Bridge (Hennepin County, Minnesota)
Designer, 1901
Pratt through truss bridge over Back Channel of Mississippi River on Pedestrian trail
Open to pedestrians

Crescent Bridge (Scott County, Iowa)
Chief Engineer, 1898
Camelback through truss bridge over Mississippi River on BNSF/CP/IC&E/DM&E Railroad in Davenport
Open to traffic

DM&E - Red Bridge (Dubuque County, Iowa)
Chief Engineer, 1896
Pratt through truss bridge over Catfish Creek on Railroad
Replaced by a TPG in 2012

DM&E - Sabula Bridge (Jackson County, Iowa)
Built 1906
Through truss bridge over Mississippi River on IC&E RR (formerly Milwaukee Road)
Open to traffic

Heart of Iowa Trail - Hoy Bridge (Marshall County, Iowa)
MILW Chief Engineer, 1912
Arch bridge over Clear Creek on Heart of Iowa Trail
Open to pedestrians on Heart of Iowa Trail

Heart of Iowa Trail - Mousehole (Story County, Iowa)
MILW Chief Engineer, 1912
Box culvert on Heart of Iowa Trail over 597th Avenue
Open to to pedestrians and cyclists

Heart of Iowa Trail - Rock Creek Arch Bridge (Story County, Iowa)
MILW Chief Engineer, 1912
Closed-spandrel arch bridge over Rock Creek on the Heart of Iowa Trail
Open to pedestrians only

High Trestle Trail - Murphy Branch Culvert (Boone County, Iowa)
MILW Chief Engineer, 1913
Closed-spandrel arch bridge over Murphy Branch on High Trestle Trail
Open to pedestrians only

High Trestle Trail - Prairie Creek Culvert (Boone County, Iowa)
MILW Chief Engineer
Concrete culvert bridge over Prairie Creek on High Trestle Trail
Open to pedestrians only

MILW - Granger High Bridge (Dallas County, Iowa)
Assistant Engineer, 1881
Pratt deck truss bridge over Des Moines River on Railroad (MILW)
Removed

MILW - Indian Creek Bridge (Story County, Iowa)
MILW Chief Engineer, 1912
Lost Deck plate girder bridge over Indian Creek on Railroad
Removed

MILW - Main Street Overpass (Clinton County, Iowa)
MILW Chief Engineer
Lost Slab bridge over Main Street on Railroad (MILW)
Removed

MILW - Richland Creek Arch (Keokuk County, Iowa)
MILW Chief Engineer, 1915
Lost Open-spandrel arch bridge over Richland Creek on Chicago, Milwaukee, St. Paul & Pacific Railroad
Replaced by a new bridge

MILW - Skunk River Bridge (Story County, Iowa)
MILW Chief Engineer, 1912
Lost Deck plate girder bridge over Skunk River on Milwaukee Road
Removed

MILW - Water Street Overpass (Story County, Iowa)
MILW Chief Engineer
Lost Slab bridge over Water Street on Railroad (MILW)
Removed

MILW - Wolf Creek Bridge (Story County, Iowa)
MILW Chief Engineer, 1912
Lost Bridge
Removed

Portland Water Works Bridge (Clackamas County, Oregon)
Design, Apparently shown here as Chas F. Loweth, 1893
Pennsylvania-petit through truss bridge over Sandy River carrying City of Portland Bull Run Water Conduits #2 and #4 will be preserved in another location to be announced soon.
Dismantled after the completion of an under river pipeline and moved to Sherwood.

Rock Island Bridge (Washington County, Minnesota)
Chief Engineer/Designer, 1895
Abandoned through truss swing bridge over the Mississippi River at St. Paul Park
Open to pedestrians

Short Line Bridge (Hennepin County, Minnesota)
Built 1902
Deck truss bridge over Mississippi River on Railroad
Open to traffic

State Street Overpass (Boone County, Iowa)
MILW Chief Engineer, 1914
Slab bridge over High Trestle Trail on State Street
Replaced