diff --git a/interim/source_strings.yaml b/interim/source_strings.yaml
index 4325d32d..9b8a75b8 100644
--- a/interim/source_strings.yaml
+++ b/interim/source_strings.yaml
@@ -693,6 +693,23 @@ en:
       bridge_combo:
         # bridge=*
         label: Type
+        options:
+          # bridge=aqueduct
+          aqueduct: Aqueduct
+          # bridge=boardwalk
+          boardwalk: Boardwalk
+          # bridge=cantilever
+          cantilever: Cantilever Bridge
+          # bridge=covered
+          covered: Covered Bridge
+          # bridge=low_water_crossing
+          low_water_crossing: Low Water Crossing
+          # bridge=movable
+          movable: Movable Bridge
+          # bridge=trestle
+          trestle: Trestle Bridge
+          # bridge=viaduct
+          viaduct: Viaduct
       building:
         # building=*
         label: Building