Crib bridges were made from horizontally placed logs.[1] The logs were laid first lengthwise, and then crosswise, in several layers. This consumed more trees than building trestle bridges, but they were easier to build without cranes or rams.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Bridge_across_Nerepis_River_Westfield_1875.jpg/170px-Bridge_across_Nerepis_River_Westfield_1875.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/d/de/Crib_trestle_bridge_of_the_Columbia_and_Nehalem_Valley_Railroad_at_the_McBride_Creek.jpg/220px-Crib_trestle_bridge_of_the_Columbia_and_Nehalem_Valley_Railroad_at_the_McBride_Creek.jpg)
Less common are crib bridges made from stone, such as the Bailey Island Bridge.
See also
editReferences
edit- ^ Mikki Tint (2010). "OregonScape [A.F.Coats Lumber Company bridge]". Oregon Historical Quarterly. 111 (4): 528. doi:10.1353/OHQ.2010.0028. ISSN 0030-4727. Wikidata Q124499333.