diff --git a/source_strings.yaml b/source_strings.yaml
index 88838928..1febb592 100644
--- a/source_strings.yaml
+++ b/source_strings.yaml
@@ -5524,6 +5524,16 @@ en:
         # structure field placeholder
         placeholder: Unknown
         terms: '[translate with synonyms or related terms for ''Structure'', separated by commas]'
+      structure_canal:
+        # bridge=*, tunnel=*
+        label: Structure
+        options:
+          # field "structure_canal" with value "bridge"
+          bridge: Bridge
+          # field "structure_canal" with value "tunnel"
+          tunnel: Tunnel
+        # structure_canal field placeholder
+        placeholder: Unknown
       structure_power:
         # structure=*
         label: Structure