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@ -256,7 +256,7 @@ CommandCost CmdBuildBridge(TileIndex end_tile, uint32 flags, uint32 p1, uint32 p
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if (IsSteepSlope(tileh_end)) z_end += TILE_HEIGHT;
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if (HASBIT(BRIDGE_FULL_LEVELED_FOUNDATION, tileh_end)) z_end += TILE_HEIGHT;
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if (z_start != z_end) return_cmd_error(STR_5009_LEVEL_LAND_OR_WATER_REQUIRED);
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if (z_start != z_end) return_cmd_error(STR_BRIDGEHEADS_NOT_SAME_HEIGHT);
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/* Towns are not allowed to use bridges on slopes. */
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allow_on_slopes = (!_is_old_ai_player
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@ -367,7 +367,7 @@ CommandCost CmdBuildBridge(TileIndex end_tile, uint32 flags, uint32 p1, uint32 p
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for (tile = tile_start + delta; tile != tile_end; tile += delta) {
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uint z;
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if (GetTileSlope(tile, &z) != SLOPE_FLAT && z >= z_start) return_cmd_error(STR_5009_LEVEL_LAND_OR_WATER_REQUIRED);
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if (GetTileSlope(tile, &z) != SLOPE_FLAT && z >= z_start) return_cmd_error(STR_BRIDGE_TOO_LOW_FOR_TERRAIN);
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if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile) && !replace_bridge) {
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/* Disallow crossing bridges for the time being */
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