|Bridge Name||Facility Carried / Feature Intersected||Location||Structure Type||Construction Date and Builder/Engineer|
DeWitt Road Bridge
||DeWitt Road (Old Alignment) Over Stony Creek||Merle Beach (Rural): Clinton County, Michigan||Metal 3 Panel Pin-Connected Queenpost Pony Truss, Fixed||1880 By Builder/Contractor: Unknown|
|Main Span Length||Structure Length||Roadway Width||Main Spans|
|40 Feet (12.2 Meters)||40 Feet (12.2 Meters)||16 Feet (4.9 Meters)||1|
This bridge is one of the oldest bridges in Michigan, with a construction date of 1880. This is also the last known remaining pin-connected queenpost truss bridge in Michigan, and is forty feet in length. Clearly, this is a small bridge with great importance. Unfortunately, the bridge sits severely rusted with so much growth on it that it is not difficult to imagine the vines eventually collapsing the bridge. Although the bridge is a privately owned structure today, the bridge however appears to be in its original location, as an old alignment for DeWitt Road. Regardless of who owns the bridge, funding from a government level should be made available to preserve this last vestige of early metal truss bridge construction in Michigan.
Information and Findings From Michigan Historic Bridge Inventory
This single-span wrought iron bridge crosses Stoney Creek on an abandoned
road segment in rural Olive Township. Spanning about 40 feet, the Stoney
Creek Bridge is a pin-connected Queenpost pony truss.
Information and Findings From Michigan Historic Sites Online
This single-span wrought iron bridge crosses Stoney Creek on an abandoned road segment in rural Olive Township. Spanning about 40 feet, the Stoney Creek Bridge is a pin-connected Queenpost pony truss, with web members comprised as follows: upper chord and inclined end post - two channels with cover and batten plates; lower chord and vertical - two punched rectangular eyebars; and diagonal - two round eyerods with turnbuckles. I-beam floor beams are hung from the lower chord pins by U-bolts and support steel stringers, which carry a timber deck. The truss is supported by concrete abutments with stone masonry wingwalls. The bridge has been superseded by a concrete culvert and now stands abandoned and in deteriorating condition. main span number: 1 main span length: 40.0 structure length: 42.0 roadway width: 16.0 structure width: 18.0
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