1st Avenue Bridge
Arch bridge over North Fork Maquoketa River on 1st Avenue in Dyersville
Open to traffic
Built 1915

Branch Maquoketa River Bridge
Concrete arch bridge over a branch of Maquoketa River on US 52/IA 3
Open to traffic
Built 1931

Curran Branch Bridge
Pony truss bridge over Curran Branch on a local road
Open to traffic
Built 1938; rehabilitated 1965

Eagle Point Bridge
Lost Truss bridge over Mississippi River on US 151/US 61 in Dubuque
Lost
Built 1901, subsequent work in 1907, 1922 and 1936, destroyed in 1983

Hewitt Creek Bridge
Pony truss bridge over Hewitt Creek on a local road
Open to traffic
Built 1928

Johns Creek Bridge
Pony truss bridge over Johns Creek on a local road
Open to traffic
Built 1926

Julien Dubuque Bridge
Steel through arch bridge over the Mississippi River on US 20 at Dubuque
Open to traffic
Built 1943; rehabilitated 1992

Little Maquoketa River Bridge
Through truss bridge over Little Maquoketa River on a local road
Unknown status
Built 1926

Little Maquoketa River Bridge
Through truss bridge over Little Maquoketa River on a local road
Unknown status
Built ca. 1910

Little Maquoketa River Bridge
Pony truss bridge over Little Maquoketa River on a local road
Open to traffic
Built 1937

Local Road Bridge
Lost pony truss bridge over an unnamed creek on a local road
No longer exists
Built 1918; replaced 2001

Local Road Bridge
Lost pony truss bridge over an unnamed creek on a local road
No longer exists
Built ca. 1910; replaced 2001

Local Road Bridge
Lost pony truss bridge over an unnamed creek on a local road
No longer exists
Built 1923; replaced 2002

Maquoketa River Bridge
Through truss bridge over Maquoketa River on a local road
Open to traffic
Built 1904

Middle Fork Little Maquoketa River Bridge
Lost through truss bridge over Middle Fork Little Maquoketa River on a local road
No longer exists
Built 1915

Mississippi River US 61 Bridge
Steel through arch bridge over the Mississippi River on US 61 and US 151
Open to traffic
Built 1982

North Fork Little Maquoketa Bridge
Pony truss bridge over North Fork Little Maquoketa on a local road
Unknown status
Built 1937

North Fork Little Maquoketa River Bridge
Pony truss bridge over North Fork Little Maquoketa River on a local road
Open to traffic
Built 1901

North Fork Maquoketa River Bridge
Through truss bridge over North Fork Maquoketa River on a local road
Open to traffic
Built ca. 1920

North Fork Maquoketa River Bridge
Pony truss bridge over North Fork Maquoketa River on a local road
Open to traffic
Built ca. 1930

Prairie Creek Bridge
Pony truss bridge over Prairie Creek on a local road
Open to traffic
Built ca. 1930

Prairie Creek Bridge
Through truss bridge over Prairie Creek on a local road
Open to traffic
Built 1901

Side Ditch Entrance Bridge
Pony truss bridge over Side Ditch on an entrance road
Open to traffic
Built 1900

South Fork Catfish Creek Bridge
Pony truss bridge over South Fork Catfish Creek on a local road in Dubuque
Open to traffic
Built 1926

Unnamed Creek Bridge
Pony truss bridge over an unnamed creek on a local road
Closed to all traffic
Built 1912

Unnamed Creek Bridge
Lost pony truss bridge over an unnamed creek on a local road
No longer exists
Built 1912

Unnamed Creek Bridge
Pony truss bridge over an unnamed creek on a local road
Open to traffic
Built 1938

Washington Mill Bridge
Bowstring truss bridge over Lytle Creek on Creek Branch Lane, east of Bernard
Open to traffic on a dead-end road
Built 1878 by the Massillon Bridge Co.

White Water Creek Bridge
Pony truss bridge over White Water Creek on a local road
Open to traffic
Built 1868 over the Mississippi River; Built ca. 1940