110th Street (U Avenue) Over Squaw Creek in Rural: Boone County, Iowa, United States
Concrete Marsh Rainbow Through Arch, Fixed
Length: 88 ft.
Main Span: 60 ft.
Roadway: 17.1 ft.
Main Spans: 1
By: Marsh Engineering Company of Des Moines, Iowa
390th Street Over Squaw Creek in Rural: Hamilton County, Iowa, United States
Concrete T-Beam, Fixed
Length: 65 ft.
Main Span: 30 ft.
Roadway: 18.4 ft.
Main Spans: 2
Special Bridge Conditions Legend: R - Former location of relocated bridge.
! - At risk for demolition or destruction.
X - Confirmed demolished or
- Dismantled and/or in storage.
Severe loss of historic integrity due to alteration.