The posting was originally one I made for my “Our Industrial Heartland” project
One of the critical factors in the success of the industry in our project area was the construction of the Cleveland Railway, this was opened in November 1861 between the Skelton Old Shaft mines and Normanby Jetty, extending toward Boosbeck in 1862.  Branches were also constructed to Slapewath, Stanghow and Aysdalegate mines.
With the construction of the railways came numerous interesting bridges, tunnels and culverts.
This culvert (in orange) carries a stream under the branch line which went to Slapewath Mine
This small tunnel (yellow) went under the same branch line, but was dry for livestock and people to cross under the railway.
This much more sizeable tunnel (red) passed under the main line.
Considering they date from the 1860’s, they are all in excellent condition.
The Slapewath / Charltons area is a fascinating area and contains a large amount of industrial heritage. I haven’t been to the Margrove Park centre in a while, does anyone know if there is still some sort of display up at all?
I don’t think its really open to the public anymore, its the offices for the Tees Valley Wildlife Trust now.