Iron Bridge

Photos

Photo taken by Steve Conro in February 2020

BH Photo #466502

Overview: Through truss bridge over Maquoketa River on Iron Bridge Road
Location: Jackson County, Iowa
Status: Open to traffic
History: Built ca. 1950
Builder: - Iowa State Highway Commission of Ames, Iowa
Design: Riveted Pennsylvania Petit through truss bridge with M-frame portal bracings
Dimensions: Length of largest span: 250.0 ft.
Total length: 440.0 ft.
Deck width: 20.0 ft.
Vertical clearance above deck: 15.2 ft.
Also called: Maquoketa River Bridge
Approximate latitude, longitude: +42.10090, -90.51722 (decimal degrees)
42°06'03" N, 90°31'02" W (degrees°minutes'seconds")
Approximate UTM coordinates: 15/705299/4663961 (zone/easting/northing)
Quadrangle map:: Delmar North
Land survey: T. 84 N., R. 4 E.
Average daily traffic (as of 2017): 340
Inventory numbers: IA 192440 (Iowa bridge number)
BH 13717 (Bridgehunter.com ID)
Inspection report (as of May 2018): Overall condition: Poor
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Poor (4 out of 9)
Deck condition rating: Poor (4 out of 9)
Sufficiency rating: 41.8 (out of 100)
View more at BridgeReports.com