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Michigan

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Bancroft vicinity

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Knaggs Bridge, Spanning Shiawassee River on Cole Road, Bancroft, Shiawassee County, MI



B&W Photos


Data Pages


Photo Caption Pages


Item Title


Location
Spanning Shiawassee River on Cole Road, Bancroft vicinity, MI

Find maps of Bancroft, MI


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER MI-29
Building/structure dates: 1893 initial construction
Building/structure dates: 1943 subsequent work
Significance: The Knaggs Bridge (Cole Road Bridge) is the second oldest known surviving example of the nationally famous King Bridge Company's work in Michigan, on which they have data. The bridge company was the second most prolific metal truss bridge builder in Michigan in the 19th century. The existing structure is a single span, through Pratt truss, having eight panels at 16 feet, 3/4 inch, for a total span length of 128 feet 6 inches, center to center of pines. A determination of eligibility has been received from the National Register.

Subjects
Metal Truss Bridges
Vehicular Bridges


Related Names
King Bridge Company Of Cleveland,OH
Knaggs, Peter Whitmore


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. VIEW OF BRIDGE, LOOKING EAST FROM COLE ROAD
2. VIEW OF BRIDGE, LOOKING WEST FROM COLE ROAD
3. VIEW OF NORTH ELEVATION
4. VIEW OF SOUTH ELEVATION
5. DETAIL VIEW OF TOP CORNER, FROM INSIDE
6. DETAIL VIEW OF ROAD BED
7. DETAIL VIEW OF UNDERSIDE
8. DETAIL VIEW OF VERTICAL SUPPORT AND I-BEAM CONNECTION
9. DETAIL VIEW OF VERTICAL MEMBERS
10. DETAIL VIEW OF EAST FOOTING
11. DETAIL VIEW OF TOP CORNER, FROM OUTSIDE
12. DETAIL VIEW SHOWING CONNECTION OF SIDE AND TOP OF TRUSS


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