Mill Road bridge near Castor. The single track is now part of The Nene Valley Railway.
<a rel="nofollow" class="external text" href="https://www.geograph.org.uk/profile/39484">Richard Humphrey</a>
CC BY-SA 2.0
<a rel="nofollow" class="external free" href="https://www.geograph.org.uk/photo/3969788">https://www.geograph.org.uk/photo/3969788</a>