Facts 

Overview
Pony truss bridge over Kalamazoo River on 57th Street
Location
Allegan County, Michigan
Status
Preserved
History
Built 1879 by the Milwaukee Bridge & Iron Co.; rehabilitated 1980, 2005
Builder
- Milwaukee Bridge & Iron Co.
Design
Swing Pony truss
Dimensions
Length of largest span: 71.9 ft.
Total length: 428.8 ft.
Deck width: 11.8 ft.
Recognition
Posted to the National Register of Historic Places on April 1, 1998
Also called
57th St. Bridge
Inventory numbers
NRHP 98000273 (National Register of Historic Places reference number)
BH 19950 (Bridgehunter.com ID)
Inspection (as of 12/1998)
Deck condition rating: Serious (3 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Critical (2 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 19.5 (out of 100)

Update Log 

  • April 22, 2009: Updated by Anthony Dillon

Sources 

  • Anthony Dillon - spansaver [at] hotmail [dot] com