diff --git a/OpenRa.Game/OpenRa.Game.csproj b/OpenRa.Game/OpenRa.Game.csproj
index d90d1bacc1..d29c73fcf3 100644
--- a/OpenRa.Game/OpenRa.Game.csproj
+++ b/OpenRa.Game/OpenRa.Game.csproj
@@ -73,7 +73,6 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="Bridges.cs" />
     <Compile Include="Chat.cs" />
     <Compile Include="Chrome.cs" />
     <Compile Include="Combat.cs" />
@@ -118,6 +117,7 @@
     <Compile Include="Support\OpenAlInterop.cs" />
     <Compile Include="Support\PerfHistory.cs" />
     <Compile Include="Sync.cs" />
+    <Compile Include="Traits\BridgeLoadHook.cs" />
     <Compile Include="Traits\ChoosePaletteOnSelect.cs" />
     <Compile Include="Traits\CrateSpawner.cs" />
     <Compile Include="Traits\OreGrowth.cs" />
diff --git a/OpenRa.Game/Bridges.cs b/OpenRa.Game/Traits/BridgeLoadHook.cs
similarity index 81%
rename from OpenRa.Game/Bridges.cs
rename to OpenRa.Game/Traits/BridgeLoadHook.cs
index 28d00bcdf0..1f045175fe 100644
--- a/OpenRa.Game/Bridges.cs
+++ b/OpenRa.Game/Traits/BridgeLoadHook.cs
@@ -2,13 +2,14 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
-using OpenRa.Traits;
 
-namespace OpenRa
+namespace OpenRa.Traits
 {
-	static class Bridges
+	class BridgeLoadHookInfo : StatelessTraitInfo<BridgeLoadHook> { }
+
+	class BridgeLoadHook : ILoadWorldHook
 	{
-		public static void MakeBridges(World w)
+		static void MakeBridges(World w)
 		{
 			var mini = w.Map.XOffset; var maxi = w.Map.XOffset + w.Map.Width;
 			var minj = w.Map.YOffset; var maxj = w.Map.YOffset + w.Map.Height;
@@ -40,8 +41,8 @@ namespace OpenRa
 					if (!template.TerrainType.ContainsKey(n)) continue;
 
 					if (w.Map.IsInMap(x, y))
-						if (w.Map.MapTiles[x, y].tile == tile 
-							&& w.Map.MapTiles[x,y].image == n)
+						if (w.Map.MapTiles[x, y].tile == tile
+							&& w.Map.MapTiles[x, y].image == n)
 						{
 							// stash it
 							replacedTiles[new int2(x, y)] = w.Map.MapTiles[x, y].image;
@@ -63,5 +64,7 @@ namespace OpenRa
 		{
 			return w.TileSet.walk[t].Bridge != null;
 		}
+
+		public void WorldLoaded(World w) { MakeBridges(w); }
 	}
 }
diff --git a/OpenRa.Game/Traits/TraitsInterfaces.cs b/OpenRa.Game/Traits/TraitsInterfaces.cs
index 4108aefc00..6fe8ff525a 100644
--- a/OpenRa.Game/Traits/TraitsInterfaces.cs
+++ b/OpenRa.Game/Traits/TraitsInterfaces.cs
@@ -102,4 +102,5 @@ namespace OpenRa.Traits
 	public interface ITraitPrerequisite<T> { }
 
 	public interface INotifySelection { void SelectionChanged(); }
+	public interface ILoadWorldHook { void WorldLoaded(World w); }
 }
diff --git a/OpenRa.Game/World.cs b/OpenRa.Game/World.cs
index 0691f62c39..f087859c01 100644
--- a/OpenRa.Game/World.cs
+++ b/OpenRa.Game/World.cs
@@ -77,9 +77,11 @@ namespace OpenRa
 			Queries = new AllQueries( this );
 			Timer.Time( "queries: {0}" );
 
-			Bridges.MakeBridges(this);
+			foreach (var wlh in WorldActor.traits.WithInterface<ILoadWorldHook>())
+				wlh.WorldLoaded(this);
+
 			PathFinder = new PathFinder(this);
-			Timer.Time( "bridge, pathing: {0}" );
+			Timer.Time( "hooks, pathing: {0}" );
 
 			Minimap = new Minimap(this, Game.renderer);
 			Timer.Time( "minimap: {0}" );
diff --git a/mods/cnc/system.yaml b/mods/cnc/system.yaml
index 04bc7f83be..371a12d26d 100644
--- a/mods/cnc/system.yaml
+++ b/mods/cnc/system.yaml
@@ -14,6 +14,7 @@ World:
 	WaterPaletteRotation:
 	BuildingInfluence:
 	UnitInfluence:
+	BridgeLoadHook:
 	PaletteFromFile@terrain_temperat:
 		Name: terrain
 		Theater: temperat
diff --git a/mods/ra/rules.yaml b/mods/ra/rules.yaml
index 6ccd281a36..f587ba79d3 100644
--- a/mods/ra/rules.yaml
+++ b/mods/ra/rules.yaml
@@ -72,6 +72,7 @@ World:
 	BuildingInfluence:
 	UnitInfluence:
 	ChoosePaletteOnSelect:
+	BridgeLoadHook:
 	PaletteFromFile@terrain_temperat:
 		Name: terrain
 		Filename: temperat.pal