Grosse Ile Free Bridge

Photos

Photo taken by C Hanchey

License: Creative Commons Attribution-NonCommercial (CC BY-NC)

BH Photo #343730

Overview: Swing Camelback through truss bridge over Trenton Channel on Grosse Ile Pkwy
Location: Wayne County, Michigan
Status: Intact but closed to all traffic in May 2020 for repairs
History: Built 1932 on piers of Michigan Central rail bridge; rehabilitated 1980
Builder: - Great Lakes Dredge and Dock Co. of Chicago, Illinois
Design: Camelback through truss swing
Dimensions: Length of largest span: 170.0 ft.
Total length: 339.9 ft.
Deck width: 20.0 ft.
Recognition: Posted to the National Register of Historic Places
Approximate latitude, longitude: +42.12722, -83.17278 (decimal degrees)
42°07'38" N, 83°10'22" W (degrees°minutes'seconds")
Approximate UTM coordinates: 17/320410/4666186 (zone/easting/northing)
Quadrangle map:: Wyandotte
Average daily traffic (as of 2007): 22,180
Inventory numbers: MINBI 82200010000B020 (Michigan bridge number on the National Bridge Inventory 2010 and before)
MINEW 12006 (Michigan bridge number on the National Bridge Inventory 2011 and later)
BH 20275 (Bridgehunter.com ID)
Inspection report (as of June 2018): Overall condition: Poor
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Poor (4 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 50 (out of 100)
View more at BridgeReports.com