diff --git a/mods/ra/rules/civilian.yaml b/mods/ra/rules/civilian.yaml
index 98cd9a3d73..5c1773cd92 100644
--- a/mods/ra/rules/civilian.yaml
+++ b/mods/ra/rules/civilian.yaml
@@ -572,6 +572,14 @@ BR1:
 	FreeActor:
 		Actor: bridgehut
 		SpawnOffset: 2,0
+		RequiresCondition: !desert-bridge
+	FreeActor@DESERT:
+		Actor: bridgehut
+		SpawnOffset: 2,-1
+		RequiresCondition: desert-bridge
+	GrantConditionOnTileSet@DESERT:
+		Condition: desert-bridge
+		TileSets: DESERT
 
 BR2:
 	Inherits: ^Bridge
@@ -583,6 +591,14 @@ BR2:
 	FreeActor:
 		Actor: bridgehut
 		SpawnOffset: 1,1
+		RequiresCondition: !desert-bridge
+	FreeActor@DESERT:
+		Actor: bridgehut
+		SpawnOffset: 0,1
+		RequiresCondition: desert-bridge
+	GrantConditionOnTileSet@DESERT:
+		Condition: desert-bridge
+		TileSets: DESERT
 
 BR3:
 	Inherits: ^Bridge