A-frame stringer

Rare "made-to-order" design involving a stringer bridge supported in the center by a rigid A-frame network.

Flood Road Bridge (Sonoma County, California)
Bridge over Big Sulphur Creek on Flood Road
Open to authorized vehicles only

Port Wine Little Bridge (Plumas County, California)
Built 1936
A-frame steel stringer bridge over Slate Creek on Port Wine Road
Open to traffic