Jack Arch Deck

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A jack-arch deck is a specific variety of deck that was used on a number of bridges in the first couple decades of the 20th Century, and perhaps other dates. The jack-arch system is formed by creating an arch spanning between pairs of parallel iron/steel deck stringers, using brick, corrugated metal, or wood, and then pouring concrete on top. This encases most of the stringers in concrete, and provides a flat deck surface on top. New Hampshire produced a detailed discussion of them here: http://www.nh.gov/dot/org/projectdevelopment/environment/doc...

Big Creek Bridge (Ellis County, Kansas)
Five span pony truss over Big Creek on 11th Street in Ellis, Kansas
Open to pedestrians

Big Hill Road Bridge (St. Joseph County, Michigan)
Built 1905
Pony truss bridge over Fawn River on Big Hill Road
Replaced by a new bridge

Card Road Bridge (Macomb County, Michigan)
Built 1910
Truss bridge over North Branch Clinton River on Card Road
Closed to all traffic

Castle Rock Upper Bridge (Boulder County, Colorado)
Built ca. 1930; bypassed 1953, but left in place to serve recreational area
Steel girder/floorbeam bridge over Middle Boulder Creek on Old Boulder Canyon Drive (Co Rd 54A, former CO 119)
Open to traffic; posted for load

Chinquapin Rd. Bridge (Sangamon County, Illinois)
Abandoned Camelback through truss bridge on Chinquapin Rd.( IL rt 24)
Derelict/abandoned

Clarence Darrow Memorial Bridge (Cook County, Illinois)
Original bridge built 1880; this bridge built 1895; closed to vehicles 2009; closed to pedestrians 2014
Steel stringer bridge over Jackson Park North Lagoon on Columbia Drive
Intact but closed to all traffic

Clarks Mill Road Bridge (Columbiana County, Ohio)
Built 1912; replaced 2007
Lost through truss bridge over North Fork Yellow Fork Creek on Clarks Mill (TR 773)
Lost

Clay Road Bridge (Branch County, Michigan)
Built ca. 1930
Steel stringer bridge over Union Drain #2 on Clay Road
Open to traffic

Fischer Creek Bridge (Manitowoc County, Wisconsin)
Pony truss bridge over Fischer Creek on Recreational Trail
Open to pedestrians only

Fudge Road Bridge (Preble County, Ohio)
Built 1913 by the Central States Bridge Co. of Indanapolis, In
Pony truss bridge over Aukerman Creek on TR 347
Currently closed to automobile traffic.

Loss Creek Bridge (Ellsworth County, Kansas)
Built 1935
Girder bridge over Loss Creek on Local Rd. 314
Open to traffic

Ohl Street Bridge (Mercer County, Pennsylvania)
Built 1909 by Canton Bridge Co.; rehabilitated 1980
Through truss bridge over Shenango River on Ohl Street in Greenville
Closed to all traffic; awaiting replacement

Pendleton Avenue Bridge (Madison County, Indiana)
Built 1915; rehabilitated 1982; Replaced 2000
Lost Steel stringer bridge over Fall Creek on Pendleton Avenue
Replaced by a new bridge

Verne Road Bridge (Saginaw County, Michigan)
Built 1911
Pony truss bridge over Misteguay Creek on Verne Road
Closed to all traffic