Solid backing is actually a major structural component of a stone arch bridge which uses it. One of its advantages is that it provides a more consistent stiffness behind the arch.
We recently found another little-known stone arch bridge in Butler County, Kansas, north of Augusta. This culvert is unique as it features a pointed, Gothic-style arch.
There are several ways to build a stone arch. Each method has advantages and potential pitfalls, but choosing the right one for you can make stone bridge building easier.
We recently discovered another stone arch bridge in Cowley County, Kansas. This bridge features a unique arch composed of numerous thin stones and appears quite old.
Stone arches made with rubble masonry are easy to construct, and can be quite strong. The key to successfully building a rubble arch is in the laying and shimming of the stones.
There are several common themes that appear to have determined which stone arch culverts built by Kansas townships have stood the test of time.
We recently found two more stone arch bridges in Cowley County, Kansas, that are not on the county’s stone bridge brochure. These are both located in Otter Township.
In Towanda Township, Butler County, Kansas, we have found a well-built stone arch culvert with high concrete curbing added. This culvert is presently threatened by scour.
We recently discovered a small stone arch bridge under the road on 5th Street in Towanda, Butler County, Kansas, with the aid of a newspaper reference.
A mortarless stone arch bridge can be quite strong, as the secret to a successful stone bridge is to keep all the forces in compression as opposed to “gluing” the stones with mortar.